1837215080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{1747}}^1$

素因数の和:2250

約数の個数: 64

約数和(自身を含む): 4213658880

約数和(自身を除く): 2376443800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 431, 488, 610, 862, 1220, 1724, 1747, 2155, 2440, 3448, 3494, 4310, 6988, 8620, 8735, 13976, 17240, 17470, 26291, 34940, 52582, 69880, 105164, 106567, 131455, 210328, 213134, 262910, 426268, 525820, 532835, 752957, 852536, 1051640, 1065670, 1505914, 2131340, 3011828, 3764785, 4262680, 6023656, 7529570, 15059140, 30118280, 45930377, 91860754, 183721508, 229651885, 367443016, 459303770, 918607540, 1837215080]

約数ペア:

[(1, 1837215080), (2, 918607540), (4, 459303770), (5, 367443016), (8, 229651885), (10, 183721508), (20, 91860754), (40, 45930377), (61, 30118280), (122, 15059140), (244, 7529570), (305, 6023656), (431, 4262680), (488, 3764785), (610, 3011828), (862, 2131340), (1220, 1505914), (1724, 1065670), (1747, 1051640), (2155, 852536), (2440, 752957), (3448, 532835), (3494, 525820), (4310, 426268), (6988, 262910), (8620, 213134), (8735, 210328), (13976, 131455), (17240, 106567), (17470, 105164), (26291, 69880), (34940, 52582)]