3778840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 64

約数和(自身を含む): 9424800

約数和(自身を除く): 5645960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 169, 172, 215, 260, 338, 344, 430, 520, 559, 676, 845, 860, 1118, 1352, 1690, 1720, 2197, 2236, 2795, 3380, 4394, 4472, 5590, 6760, 7267, 8788, 10985, 11180, 14534, 17576, 21970, 22360, 29068, 36335, 43940, 58136, 72670, 87880, 94471, 145340, 188942, 290680, 377884, 472355, 755768, 944710, 1889420, 3778840]

約数ペア:

[(1, 3778840), (2, 1889420), (4, 944710), (5, 755768), (8, 472355), (10, 377884), (13, 290680), (20, 188942), (26, 145340), (40, 94471), (43, 87880), (52, 72670), (65, 58136), (86, 43940), (104, 36335), (130, 29068), (169, 22360), (172, 21970), (215, 17576), (260, 14534), (338, 11180), (344, 10985), (430, 8788), (520, 7267), (559, 6760), (676, 5590), (845, 4472), (860, 4394), (1118, 3380), (1352, 2795), (1690, 2236), (1720, 2197)]