291125440

素因数分解:

$2^6\times 5^1\times {\mathrm{909767}}^1$

素因数の和:909784

約数の個数: 28

約数和(自身を含む): 693243216

約数和(自身を除く): 402117776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 909767, 1819534, 3639068, 4548835, 7278136, 9097670, 14556272, 18195340, 29112544, 36390680, 58225088, 72781360, 145562720, 291125440]

約数ペア:

[(1, 291125440), (2, 145562720), (4, 72781360), (5, 58225088), (8, 36390680), (10, 29112544), (16, 18195340), (20, 14556272), (32, 9097670), (40, 7278136), (64, 4548835), (80, 3639068), (160, 1819534), (320, 909767)]