74396920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{827}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 181530720

約数和(自身を除く): 107133800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 692, 827, 865, 1384, 1654, 1730, 2249, 3308, 3460, 4135, 4498, 6616, 6920, 8270, 8996, 10751, 11245, 16540, 17992, 21502, 22490, 33080, 43004, 44980, 53755, 86008, 89960, 107510, 143071, 215020, 286142, 430040, 572284, 715355, 1144568, 1430710, 1859923, 2861420, 3719846, 5722840, 7439692, 9299615, 14879384, 18599230, 37198460, 74396920]

約数ペア:

[(1, 74396920), (2, 37198460), (4, 18599230), (5, 14879384), (8, 9299615), (10, 7439692), (13, 5722840), (20, 3719846), (26, 2861420), (40, 1859923), (52, 1430710), (65, 1144568), (104, 715355), (130, 572284), (173, 430040), (260, 286142), (346, 215020), (520, 143071), (692, 107510), (827, 89960), (865, 86008), (1384, 53755), (1654, 44980), (1730, 43004), (2249, 33080), (3308, 22490), (3460, 21502), (4135, 17992), (4498, 16540), (6616, 11245), (6920, 10751), (8270, 8996)]