2131340

素因数分解:

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

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 4551792

約数和(自身を除く): 2420452

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1747, 3494, 6988, 8735, 17470, 34940, 106567, 213134, 426268, 532835, 1065670, 2131340]

約数ペア:

[(1, 2131340), (2, 1065670), (4, 532835), (5, 426268), (10, 213134), (20, 106567), (61, 34940), (122, 17470), (244, 8735), (305, 6988), (610, 3494), (1220, 1747)]