19591000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 54250560

約数和(自身を除く): 34659560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 125, 130, 137, 143, 200, 220, 250, 260, 274, 275, 286, 325, 440, 500, 520, 548, 550, 572, 650, 685, 715, 1000, 1096, 1100, 1144, 1300, 1370, 1375, 1430, 1507, 1625, 1781, 2200, 2600, 2740, 2750, 2860, 3014, 3250, 3425, 3562, 3575, 5480, 5500, 5720, 6028, 6500, 6850, 7124, 7150, 7535, 8905, 11000, 12056, 13000, 13700, 14248, 14300, 15070, 17125, 17810, 17875, 19591, 27400, 28600, 30140, 34250, 35620, 35750, 37675, 39182, 44525, 60280, 68500, 71240, 71500, 75350, 78364, 89050, 97955, 137000, 143000, 150700, 156728, 178100, 188375, 195910, 222625, 301400, 356200, 376750, 391820, 445250, 489775, 753500, 783640, 890500, 979550, 1507000, 1781000, 1959100, 2448875, 3918200, 4897750, 9795500, 19591000]

約数ペア:

[(1, 19591000), (2, 9795500), (4, 4897750), (5, 3918200), (8, 2448875), (10, 1959100), (11, 1781000), (13, 1507000), (20, 979550), (22, 890500), (25, 783640), (26, 753500), (40, 489775), (44, 445250), (50, 391820), (52, 376750), (55, 356200), (65, 301400), (88, 222625), (100, 195910), (104, 188375), (110, 178100), (125, 156728), (130, 150700), (137, 143000), (143, 137000), (200, 97955), (220, 89050), (250, 78364), (260, 75350), (274, 71500), (275, 71240), (286, 68500), (325, 60280), (440, 44525), (500, 39182), (520, 37675), (548, 35750), (550, 35620), (572, 34250), (650, 30140), (685, 28600), (715, 27400), (1000, 19591), (1096, 17875), (1100, 17810), (1144, 17125), (1300, 15070), (1370, 14300), (1375, 14248), (1430, 13700), (1507, 13000), (1625, 12056), (1781, 11000), (2200, 8905), (2600, 7535), (2740, 7150), (2750, 7124), (2860, 6850), (3014, 6500), (3250, 6028), (3425, 5720), (3562, 5500), (3575, 5480)]