447788990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{26959}}^1$

素因数の和:27128

約数の個数: 32

約数和(自身を含む): 885150720

約数和(自身を除く): 437361730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 1510, 1661, 3322, 8305, 16610, 26959, 53918, 134795, 269590, 296549, 593098, 1482745, 2965490, 4070809, 8141618, 20354045, 40708090, 44778899, 89557798, 223894495, 447788990]

約数ペア:

[(1, 447788990), (2, 223894495), (5, 89557798), (10, 44778899), (11, 40708090), (22, 20354045), (55, 8141618), (110, 4070809), (151, 2965490), (302, 1482745), (755, 593098), (1510, 296549), (1661, 269590), (3322, 134795), (8305, 53918), (16610, 26959)]