146519920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 351977472

約数和(自身を除く): 205457552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 191, 215, 223, 344, 382, 430, 446, 688, 764, 860, 892, 955, 1115, 1528, 1720, 1784, 1910, 2230, 3056, 3440, 3568, 3820, 4460, 7640, 8213, 8920, 9589, 15280, 16426, 17840, 19178, 32852, 38356, 41065, 42593, 47945, 65704, 76712, 82130, 85186, 95890, 131408, 153424, 164260, 170372, 191780, 212965, 328520, 340744, 383560, 425930, 657040, 681488, 767120, 851860, 1703720, 1831499, 3407440, 3662998, 7325996, 9157495, 14651992, 18314990, 29303984, 36629980, 73259960, 146519920]

約数ペア:

[(1, 146519920), (2, 73259960), (4, 36629980), (5, 29303984), (8, 18314990), (10, 14651992), (16, 9157495), (20, 7325996), (40, 3662998), (43, 3407440), (80, 1831499), (86, 1703720), (172, 851860), (191, 767120), (215, 681488), (223, 657040), (344, 425930), (382, 383560), (430, 340744), (446, 328520), (688, 212965), (764, 191780), (860, 170372), (892, 164260), (955, 153424), (1115, 131408), (1528, 95890), (1720, 85186), (1784, 82130), (1910, 76712), (2230, 65704), (3056, 47945), (3440, 42593), (3568, 41065), (3820, 38356), (4460, 32852), (7640, 19178), (8213, 17840), (8920, 16426), (9589, 15280)]