149842760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{220357}}^1$

素因数の和:220385

約数の個数: 32

約数和(自身を含む): 356979960

約数和(自身を除く): 207137200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 220357, 440714, 881428, 1101785, 1762856, 2203570, 3746069, 4407140, 7492138, 8814280, 14984276, 18730345, 29968552, 37460690, 74921380, 149842760]

約数ペア:

[(1, 149842760), (2, 74921380), (4, 37460690), (5, 29968552), (8, 18730345), (10, 14984276), (17, 8814280), (20, 7492138), (34, 4407140), (40, 3746069), (68, 2203570), (85, 1762856), (136, 1101785), (170, 881428), (340, 440714), (680, 220357)]