56420000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 240

約数和(自身を含む): 176343552

約数和(自身を除く): 119923552

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 32, 35, 40, 50, 52, 56, 62, 65, 70, 80, 91, 100, 104, 112, 124, 125, 130, 140, 155, 160, 175, 182, 200, 208, 217, 224, 248, 250, 260, 280, 310, 325, 350, 364, 400, 403, 416, 434, 455, 496, 500, 520, 560, 620, 625, 650, 700, 728, 775, 800, 806, 868, 875, 910, 992, 1000, 1040, 1085, 1120, 1240, 1250, 1300, 1400, 1456, 1550, 1612, 1625, 1736, 1750, 1820, 2000, 2015, 2080, 2170, 2275, 2480, 2500, 2600, 2800, 2821, 2912, 3100, 3224, 3250, 3472, 3500, 3640, 3875, 4000, 4030, 4340, 4375, 4550, 4960, 5000, 5200, 5425, 5600, 5642, 6200, 6448, 6500, 6944, 7000, 7280, 7750, 8060, 8125, 8680, 8750, 9100, 10000, 10075, 10400, 10850, 11284, 11375, 12400, 12896, 13000, 14000, 14105, 14560, 15500, 16120, 16250, 17360, 17500, 18200, 19375, 20000, 20150, 21700, 22568, 22750, 24800, 26000, 27125, 28000, 28210, 31000, 32240, 32500, 34720, 35000, 36400, 38750, 40300, 43400, 45136, 45500, 50375, 52000, 54250, 56420, 56875, 62000, 64480, 65000, 70000, 70525, 72800, 77500, 80600, 86800, 90272, 91000, 100750, 108500, 112840, 113750, 124000, 130000, 135625, 140000, 141050, 155000, 161200, 173600, 182000, 201500, 217000, 225680, 227500, 251875, 260000, 271250, 282100, 310000, 322400, 352625, 364000, 403000, 434000, 451360, 455000, 503750, 542500, 564200, 620000, 705250, 806000, 868000, 910000, 1007500, 1085000, 1128400, 1410500, 1612000, 1763125, 1820000, 2015000, 2170000, 2256800, 2821000, 3526250, 4030000, 4340000, 5642000, 7052500, 8060000, 11284000, 14105000, 28210000, 56420000]

約数ペア:

[(1, 56420000), (2, 28210000), (4, 14105000), (5, 11284000), (7, 8060000), (8, 7052500), (10, 5642000), (13, 4340000), (14, 4030000), (16, 3526250), (20, 2821000), (25, 2256800), (26, 2170000), (28, 2015000), (31, 1820000), (32, 1763125), (35, 1612000), (40, 1410500), (50, 1128400), (52, 1085000), (56, 1007500), (62, 910000), (65, 868000), (70, 806000), (80, 705250), (91, 620000), (100, 564200), (104, 542500), (112, 503750), (124, 455000), (125, 451360), (130, 434000), (140, 403000), (155, 364000), (160, 352625), (175, 322400), (182, 310000), (200, 282100), (208, 271250), (217, 260000), (224, 251875), (248, 227500), (250, 225680), (260, 217000), (280, 201500), (310, 182000), (325, 173600), (350, 161200), (364, 155000), (400, 141050), (403, 140000), (416, 135625), (434, 130000), (455, 124000), (496, 113750), (500, 112840), (520, 108500), (560, 100750), (620, 91000), (625, 90272), (650, 86800), (700, 80600), (728, 77500), (775, 72800), (800, 70525), (806, 70000), (868, 65000), (875, 64480), (910, 62000), (992, 56875), (1000, 56420), (1040, 54250), (1085, 52000), (1120, 50375), (1240, 45500), (1250, 45136), (1300, 43400), (1400, 40300), (1456, 38750), (1550, 36400), (1612, 35000), (1625, 34720), (1736, 32500), (1750, 32240), (1820, 31000), (2000, 28210), (2015, 28000), (2080, 27125), (2170, 26000), (2275, 24800), (2480, 22750), (2500, 22568), (2600, 21700), (2800, 20150), (2821, 20000), (2912, 19375), (3100, 18200), (3224, 17500), (3250, 17360), (3472, 16250), (3500, 16120), (3640, 15500), (3875, 14560), (4000, 14105), (4030, 14000), (4340, 13000), (4375, 12896), (4550, 12400), (4960, 11375), (5000, 11284), (5200, 10850), (5425, 10400), (5600, 10075), (5642, 10000), (6200, 9100), (6448, 8750), (6500, 8680), (6944, 8125), (7000, 8060), (7280, 7750)]