212219620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10729}}^1$

素因数の和:10804

約数の個数: 48

約数和(自身を含む): 475896960

約数和(自身を除く): 263677340

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 10729, 19780, 21458, 42916, 53645, 107290, 214580, 246767, 461347, 493534, 922694, 987068, 1233835, 1845388, 2306735, 2467670, 4613470, 4935340, 9226940, 10610981, 21221962, 42443924, 53054905, 106109810, 212219620]

約数ペア:

[(1, 212219620), (2, 106109810), (4, 53054905), (5, 42443924), (10, 21221962), (20, 10610981), (23, 9226940), (43, 4935340), (46, 4613470), (86, 2467670), (92, 2306735), (115, 1845388), (172, 1233835), (215, 987068), (230, 922694), (430, 493534), (460, 461347), (860, 246767), (989, 214580), (1978, 107290), (3956, 53645), (4945, 42916), (9890, 21458), (10729, 19780)]