388467560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{747053}}^1$

素因数の和:747077

約数の個数: 32

約数和(自身を含む): 941288040

約数和(自身を除く): 552820480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 747053, 1494106, 2988212, 3735265, 5976424, 7470530, 9711689, 14941060, 19423378, 29882120, 38846756, 48558445, 77693512, 97116890, 194233780, 388467560]

約数ペア:

[(1, 388467560), (2, 194233780), (4, 97116890), (5, 77693512), (8, 48558445), (10, 38846756), (13, 29882120), (20, 19423378), (26, 14941060), (40, 9711689), (52, 7470530), (65, 5976424), (104, 3735265), (130, 2988212), (260, 1494106), (520, 747053)]