579531640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{971}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 1339493760

約数和(自身を除く): 759962120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 347, 430, 694, 860, 971, 1388, 1720, 1735, 1942, 2776, 3470, 3884, 4855, 6940, 7768, 9710, 13880, 14921, 19420, 29842, 38840, 41753, 59684, 74605, 83506, 119368, 149210, 167012, 208765, 298420, 334024, 336937, 417530, 596840, 673874, 835060, 1347748, 1670120, 1684685, 2695496, 3369370, 6738740, 13477480, 14488291, 28976582, 57953164, 72441455, 115906328, 144882910, 289765820, 579531640]

約数ペア:

[(1, 579531640), (2, 289765820), (4, 144882910), (5, 115906328), (8, 72441455), (10, 57953164), (20, 28976582), (40, 14488291), (43, 13477480), (86, 6738740), (172, 3369370), (215, 2695496), (344, 1684685), (347, 1670120), (430, 1347748), (694, 835060), (860, 673874), (971, 596840), (1388, 417530), (1720, 336937), (1735, 334024), (1942, 298420), (2776, 208765), (3470, 167012), (3884, 149210), (4855, 119368), (6940, 83506), (7768, 74605), (9710, 59684), (13880, 41753), (14921, 38840), (19420, 29842)]