200880920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2617}}^1$

素因数の和:2748

約数の個数: 64

約数和(自身を含む): 480664800

約数和(自身を除く): 279783880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 2617, 3838, 4040, 5234, 7676, 9595, 10468, 13085, 15352, 19190, 20936, 26170, 38380, 49723, 52340, 76760, 99446, 104680, 198892, 248615, 264317, 397784, 497230, 528634, 994460, 1057268, 1321585, 1988920, 2114536, 2643170, 5022023, 5286340, 10044046, 10572680, 20088092, 25110115, 40176184, 50220230, 100440460, 200880920]

約数ペア:

[(1, 200880920), (2, 100440460), (4, 50220230), (5, 40176184), (8, 25110115), (10, 20088092), (19, 10572680), (20, 10044046), (38, 5286340), (40, 5022023), (76, 2643170), (95, 2114536), (101, 1988920), (152, 1321585), (190, 1057268), (202, 994460), (380, 528634), (404, 497230), (505, 397784), (760, 264317), (808, 248615), (1010, 198892), (1919, 104680), (2020, 99446), (2617, 76760), (3838, 52340), (4040, 49723), (5234, 38380), (7676, 26170), (9595, 20936), (10468, 19190), (13085, 15352)]