2198120

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 4989600

約数和(自身を除く): 2791480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 307, 358, 614, 716, 895, 1228, 1432, 1535, 1790, 2456, 3070, 3580, 6140, 7160, 12280, 54953, 109906, 219812, 274765, 439624, 549530, 1099060, 2198120]

約数ペア:

[(1, 2198120), (2, 1099060), (4, 549530), (5, 439624), (8, 274765), (10, 219812), (20, 109906), (40, 54953), (179, 12280), (307, 7160), (358, 6140), (614, 3580), (716, 3070), (895, 2456), (1228, 1790), (1432, 1535)]