490912500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 1653644160

約数和(自身を除く): 1162731660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 53, 57, 60, 65, 75, 76, 78, 95, 100, 106, 114, 125, 130, 150, 156, 159, 190, 195, 212, 228, 247, 250, 260, 265, 285, 300, 318, 325, 375, 380, 390, 475, 494, 500, 530, 570, 625, 636, 650, 689, 741, 750, 780, 795, 950, 975, 988, 1007, 1060, 1140, 1235, 1250, 1300, 1325, 1378, 1425, 1482, 1500, 1590, 1625, 1875, 1900, 1950, 2014, 2067, 2375, 2470, 2500, 2650, 2756, 2850, 2964, 3021, 3125, 3180, 3250, 3445, 3705, 3750, 3900, 3975, 4028, 4134, 4750, 4875, 4940, 5035, 5300, 5700, 6042, 6175, 6250, 6500, 6625, 6890, 7125, 7410, 7500, 7950, 8125, 8268, 9375, 9500, 9750, 10070, 10335, 11875, 12084, 12350, 12500, 13091, 13250, 13780, 14250, 14820, 15105, 15900, 16250, 17225, 18525, 18750, 19500, 19875, 20140, 20670, 23750, 24375, 24700, 25175, 26182, 26500, 28500, 30210, 30875, 32500, 33125, 34450, 35625, 37050, 37500, 39273, 39750, 40625, 41340, 47500, 48750, 50350, 51675, 52364, 59375, 60420, 61750, 65455, 66250, 68900, 71250, 74100, 75525, 78546, 79500, 81250, 86125, 92625, 97500, 99375, 100700, 103350, 118750, 121875, 123500, 125875, 130910, 132500, 142500, 151050, 154375, 157092, 162500, 165625, 172250, 178125, 185250, 196365, 198750, 206700, 237500, 243750, 251750, 258375, 261820, 302100, 308750, 327275, 331250, 344500, 356250, 370500, 377625, 392730, 397500, 430625, 463125, 487500, 496875, 503500, 516750, 617500, 629375, 654550, 662500, 712500, 755250, 771875, 785460, 861250, 926250, 981825, 993750, 1033500, 1258750, 1291875, 1309100, 1510500, 1543750, 1636375, 1722500, 1852500, 1888125, 1963650, 1987500, 2153125, 2315625, 2517500, 2583750, 3087500, 3146875, 3272750, 3776250, 3927300, 4306250, 4631250, 4909125, 5167500, 6293750, 6459375, 6545500, 7552500, 8181875, 8612500, 9262500, 9440625, 9818250, 12587500, 12918750, 16363750, 18881250, 19636500, 24545625, 25837500, 32727500, 37762500, 40909375, 49091250, 81818750, 98182500, 122728125, 163637500, 245456250, 490912500]

約数ペア:

[(1, 490912500), (2, 245456250), (3, 163637500), (4, 122728125), (5, 98182500), (6, 81818750), (10, 49091250), (12, 40909375), (13, 37762500), (15, 32727500), (19, 25837500), (20, 24545625), (25, 19636500), (26, 18881250), (30, 16363750), (38, 12918750), (39, 12587500), (50, 9818250), (52, 9440625), (53, 9262500), (57, 8612500), (60, 8181875), (65, 7552500), (75, 6545500), (76, 6459375), (78, 6293750), (95, 5167500), (100, 4909125), (106, 4631250), (114, 4306250), (125, 3927300), (130, 3776250), (150, 3272750), (156, 3146875), (159, 3087500), (190, 2583750), (195, 2517500), (212, 2315625), (228, 2153125), (247, 1987500), (250, 1963650), (260, 1888125), (265, 1852500), (285, 1722500), (300, 1636375), (318, 1543750), (325, 1510500), (375, 1309100), (380, 1291875), (390, 1258750), (475, 1033500), (494, 993750), (500, 981825), (530, 926250), (570, 861250), (625, 785460), (636, 771875), (650, 755250), (689, 712500), (741, 662500), (750, 654550), (780, 629375), (795, 617500), (950, 516750), (975, 503500), (988, 496875), (1007, 487500), (1060, 463125), (1140, 430625), (1235, 397500), (1250, 392730), (1300, 377625), (1325, 370500), (1378, 356250), (1425, 344500), (1482, 331250), (1500, 327275), (1590, 308750), (1625, 302100), (1875, 261820), (1900, 258375), (1950, 251750), (2014, 243750), (2067, 237500), (2375, 206700), (2470, 198750), (2500, 196365), (2650, 185250), (2756, 178125), (2850, 172250), (2964, 165625), (3021, 162500), (3125, 157092), (3180, 154375), (3250, 151050), (3445, 142500), (3705, 132500), (3750, 130910), (3900, 125875), (3975, 123500), (4028, 121875), (4134, 118750), (4750, 103350), (4875, 100700), (4940, 99375), (5035, 97500), (5300, 92625), (5700, 86125), (6042, 81250), (6175, 79500), (6250, 78546), (6500, 75525), (6625, 74100), (6890, 71250), (7125, 68900), (7410, 66250), (7500, 65455), (7950, 61750), (8125, 60420), (8268, 59375), (9375, 52364), (9500, 51675), (9750, 50350), (10070, 48750), (10335, 47500), (11875, 41340), (12084, 40625), (12350, 39750), (12500, 39273), (13091, 37500), (13250, 37050), (13780, 35625), (14250, 34450), (14820, 33125), (15105, 32500), (15900, 30875), (16250, 30210), (17225, 28500), (18525, 26500), (18750, 26182), (19500, 25175), (19875, 24700), (20140, 24375), (20670, 23750)]