210820390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{5309}}^1$

素因数の和:5365

約数の個数: 48

約数和(自身を含む): 436991760

約数和(自身を除く): 226171370

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 722, 1045, 1805, 2090, 3610, 3971, 5309, 7942, 10618, 19855, 26545, 39710, 53090, 58399, 100871, 116798, 201742, 291995, 504355, 583990, 1008710, 1109581, 1916549, 2219162, 3833098, 5547905, 9582745, 11095810, 19165490, 21082039, 42164078, 105410195, 210820390]

約数ペア:

[(1, 210820390), (2, 105410195), (5, 42164078), (10, 21082039), (11, 19165490), (19, 11095810), (22, 9582745), (38, 5547905), (55, 3833098), (95, 2219162), (110, 1916549), (190, 1109581), (209, 1008710), (361, 583990), (418, 504355), (722, 291995), (1045, 201742), (1805, 116798), (2090, 100871), (3610, 58399), (3971, 53090), (5309, 39710), (7942, 26545), (10618, 19855)]