31030220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5189}}^1$

素因数の和:5234

約数の個数: 48

約数和(自身を含む): 73241280

約数和(自身を除く): 42211060

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5189, 5980, 10378, 20756, 25945, 51890, 67457, 103780, 119347, 134914, 238694, 269828, 337285, 477388, 596735, 674570, 1193470, 1349140, 1551511, 2386940, 3103022, 6206044, 7757555, 15515110, 31030220]

約数ペア:

[(1, 31030220), (2, 15515110), (4, 7757555), (5, 6206044), (10, 3103022), (13, 2386940), (20, 1551511), (23, 1349140), (26, 1193470), (46, 674570), (52, 596735), (65, 477388), (92, 337285), (115, 269828), (130, 238694), (230, 134914), (260, 119347), (299, 103780), (460, 67457), (598, 51890), (1196, 25945), (1495, 20756), (2990, 10378), (5189, 5980)]