201880400

素因数分解:

$2^4\times 5^2\times {\mathrm{431}}^1\times {\mathrm{1171}}^1$

素因数の和:1620

約数の個数: 60

約数和(自身を含む): 486558144

約数和(自身を除く): 284677744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 431, 862, 1171, 1724, 2155, 2342, 3448, 4310, 4684, 5855, 6896, 8620, 9368, 10775, 11710, 17240, 18736, 21550, 23420, 29275, 34480, 43100, 46840, 58550, 86200, 93680, 117100, 172400, 234200, 468400, 504701, 1009402, 2018804, 2523505, 4037608, 5047010, 8075216, 10094020, 12617525, 20188040, 25235050, 40376080, 50470100, 100940200, 201880400]

約数ペア:

[(1, 201880400), (2, 100940200), (4, 50470100), (5, 40376080), (8, 25235050), (10, 20188040), (16, 12617525), (20, 10094020), (25, 8075216), (40, 5047010), (50, 4037608), (80, 2523505), (100, 2018804), (200, 1009402), (400, 504701), (431, 468400), (862, 234200), (1171, 172400), (1724, 117100), (2155, 93680), (2342, 86200), (3448, 58550), (4310, 46840), (4684, 43100), (5855, 34480), (6896, 29275), (8620, 23420), (9368, 21550), (10775, 18736), (11710, 17240)]