1640694140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{166399}}^1$

素因数の和:166454

約数の個数: 48

約数和(自身を含む): 3773952000

約数和(自身を除く): 2133257860

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 166399, 332798, 665596, 831995, 1663990, 2828783, 3327980, 4825571, 5657566, 9651142, 11315132, 14143915, 19302284, 24127855, 28287830, 48255710, 56575660, 82034707, 96511420, 164069414, 328138828, 410173535, 820347070, 1640694140]

約数ペア:

[(1, 1640694140), (2, 820347070), (4, 410173535), (5, 328138828), (10, 164069414), (17, 96511420), (20, 82034707), (29, 56575660), (34, 48255710), (58, 28287830), (68, 24127855), (85, 19302284), (116, 14143915), (145, 11315132), (170, 9651142), (290, 5657566), (340, 4825571), (493, 3327980), (580, 2828783), (986, 1663990), (1972, 831995), (2465, 665596), (4930, 332798), (9860, 166399)]