247904060

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{15061}}^1$

素因数の和:15893

約数の個数: 24

約数和(自身を含む): 521265696

約数和(自身を除く): 273361636

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 8230, 15061, 16460, 30122, 60244, 75305, 150610, 301220, 12395203, 24790406, 49580812, 61976015, 123952030, 247904060]

約数ペア:

[(1, 247904060), (2, 123952030), (4, 61976015), (5, 49580812), (10, 24790406), (20, 12395203), (823, 301220), (1646, 150610), (3292, 75305), (4115, 60244), (8230, 30122), (15061, 16460)]