1997550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 5629104

約数和(自身を除く): 3631554

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 193, 207, 225, 230, 345, 386, 414, 450, 575, 579, 690, 965, 1035, 1150, 1158, 1725, 1737, 1930, 2070, 2895, 3450, 3474, 4439, 4825, 5175, 5790, 8685, 8878, 9650, 10350, 13317, 14475, 17370, 22195, 26634, 28950, 39951, 43425, 44390, 66585, 79902, 86850, 110975, 133170, 199755, 221950, 332925, 399510, 665850, 998775, 1997550]

約数ペア:

[(1, 1997550), (2, 998775), (3, 665850), (5, 399510), (6, 332925), (9, 221950), (10, 199755), (15, 133170), (18, 110975), (23, 86850), (25, 79902), (30, 66585), (45, 44390), (46, 43425), (50, 39951), (69, 28950), (75, 26634), (90, 22195), (115, 17370), (138, 14475), (150, 13317), (193, 10350), (207, 9650), (225, 8878), (230, 8685), (345, 5790), (386, 5175), (414, 4825), (450, 4439), (575, 3474), (579, 3450), (690, 2895), (965, 2070), (1035, 1930), (1150, 1737), (1158, 1725)]