211625840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85333}}^1$

素因数の和:85377

約数の個数: 40

約数和(自身を含む): 507907968

約数和(自身を除く): 296282128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 85333, 170666, 341332, 426665, 682664, 853330, 1365328, 1706660, 2645323, 3413320, 5290646, 6826640, 10581292, 13226615, 21162584, 26453230, 42325168, 52906460, 105812920, 211625840]

約数ペア:

[(1, 211625840), (2, 105812920), (4, 52906460), (5, 42325168), (8, 26453230), (10, 21162584), (16, 13226615), (20, 10581292), (31, 6826640), (40, 5290646), (62, 3413320), (80, 2645323), (124, 1706660), (155, 1365328), (248, 853330), (310, 682664), (496, 426665), (620, 341332), (1240, 170666), (2480, 85333)]