2389096880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{273979}}^1$

素因数の和:274101

約数の個数: 40

約数和(自身を含む): 5605630800

約数和(自身を除く): 3216533920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 273979, 547958, 1095916, 1369895, 2191832, 2739790, 4383664, 5479580, 10959160, 21918320, 29863711, 59727422, 119454844, 149318555, 238909688, 298637110, 477819376, 597274220, 1194548440, 2389096880]

約数ペア:

[(1, 2389096880), (2, 1194548440), (4, 597274220), (5, 477819376), (8, 298637110), (10, 238909688), (16, 149318555), (20, 119454844), (40, 59727422), (80, 29863711), (109, 21918320), (218, 10959160), (436, 5479580), (545, 4383664), (872, 2739790), (1090, 2191832), (1744, 1369895), (2180, 1095916), (4360, 547958), (8720, 273979)]