2920390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 2885690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 191, 278, 382, 695, 955, 1390, 1529, 1910, 2101, 3058, 4202, 7645, 10505, 15290, 21010, 26549, 53098, 132745, 265490, 292039, 584078, 1460195, 2920390]

約数ペア:

[(1, 2920390), (2, 1460195), (5, 584078), (10, 292039), (11, 265490), (22, 132745), (55, 53098), (110, 26549), (139, 21010), (191, 15290), (278, 10505), (382, 7645), (695, 4202), (955, 3058), (1390, 2101), (1529, 1910)]