157648700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 108

約数和(自身を含む): 394865352

約数和(自身を除く): 237216652

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 361, 380, 397, 418, 475, 550, 722, 794, 836, 950, 1045, 1100, 1444, 1588, 1805, 1900, 1985, 2090, 3610, 3970, 3971, 4180, 4367, 5225, 7220, 7543, 7940, 7942, 8734, 9025, 9925, 10450, 15086, 15884, 17468, 18050, 19850, 19855, 20900, 21835, 30172, 36100, 37715, 39700, 39710, 43670, 75430, 79420, 82973, 87340, 99275, 109175, 143317, 150860, 165946, 188575, 198550, 218350, 286634, 331892, 377150, 397100, 414865, 436700, 573268, 716585, 754300, 829730, 1433170, 1576487, 1659460, 2074325, 2866340, 3152974, 3582925, 4148650, 6305948, 7165850, 7882435, 8297300, 14331700, 15764870, 31529740, 39412175, 78824350, 157648700]

約数ペア:

[(1, 157648700), (2, 78824350), (4, 39412175), (5, 31529740), (10, 15764870), (11, 14331700), (19, 8297300), (20, 7882435), (22, 7165850), (25, 6305948), (38, 4148650), (44, 3582925), (50, 3152974), (55, 2866340), (76, 2074325), (95, 1659460), (100, 1576487), (110, 1433170), (190, 829730), (209, 754300), (220, 716585), (275, 573268), (361, 436700), (380, 414865), (397, 397100), (418, 377150), (475, 331892), (550, 286634), (722, 218350), (794, 198550), (836, 188575), (950, 165946), (1045, 150860), (1100, 143317), (1444, 109175), (1588, 99275), (1805, 87340), (1900, 82973), (1985, 79420), (2090, 75430), (3610, 43670), (3970, 39710), (3971, 39700), (4180, 37715), (4367, 36100), (5225, 30172), (7220, 21835), (7543, 20900), (7940, 19855), (7942, 19850), (8734, 18050), (9025, 17468), (9925, 15884), (10450, 15086)]