2355280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 5580000

約数和(自身を除く): 3224720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 499, 590, 944, 998, 1180, 1996, 2360, 2495, 3992, 4720, 4990, 7984, 9980, 19960, 29441, 39920, 58882, 117764, 147205, 235528, 294410, 471056, 588820, 1177640, 2355280]

約数ペア:

[(1, 2355280), (2, 1177640), (4, 588820), (5, 471056), (8, 294410), (10, 235528), (16, 147205), (20, 117764), (40, 58882), (59, 39920), (80, 29441), (118, 19960), (236, 9980), (295, 7984), (472, 4990), (499, 4720), (590, 3992), (944, 2495), (998, 2360), (1180, 1996)]