291226720

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6571}}^1$

素因数の和:6863

約数の個数: 48

約数和(自身を含む): 690612048

約数和(自身を除く): 399385328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 6571, 8864, 11080, 13142, 22160, 26284, 32855, 44320, 52568, 65710, 105136, 131420, 210272, 262840, 525680, 1051360, 1820167, 3640334, 7280668, 9100835, 14561336, 18201670, 29122672, 36403340, 58245344, 72806680, 145613360, 291226720]

約数ペア:

[(1, 291226720), (2, 145613360), (4, 72806680), (5, 58245344), (8, 36403340), (10, 29122672), (16, 18201670), (20, 14561336), (32, 9100835), (40, 7280668), (80, 3640334), (160, 1820167), (277, 1051360), (554, 525680), (1108, 262840), (1385, 210272), (2216, 131420), (2770, 105136), (4432, 65710), (5540, 52568), (6571, 44320), (8864, 32855), (11080, 26284), (13142, 22160)]