86388440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 205999200

約数和(自身を除く): 119610760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 577, 760, 788, 985, 1154, 1576, 1970, 2308, 2885, 3743, 3940, 4616, 5770, 7486, 7880, 10963, 11540, 14972, 18715, 21926, 23080, 29944, 37430, 43852, 54815, 74860, 87704, 109630, 113669, 149720, 219260, 227338, 438520, 454676, 568345, 909352, 1136690, 2159711, 2273380, 4319422, 4546760, 8638844, 10798555, 17277688, 21597110, 43194220, 86388440]

約数ペア:

[(1, 86388440), (2, 43194220), (4, 21597110), (5, 17277688), (8, 10798555), (10, 8638844), (19, 4546760), (20, 4319422), (38, 2273380), (40, 2159711), (76, 1136690), (95, 909352), (152, 568345), (190, 454676), (197, 438520), (380, 227338), (394, 219260), (577, 149720), (760, 113669), (788, 109630), (985, 87704), (1154, 74860), (1576, 54815), (1970, 43852), (2308, 37430), (2885, 29944), (3743, 23080), (3940, 21926), (4616, 18715), (5770, 14972), (7486, 11540), (7880, 10963)]