88351180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 190300320

約数和(自身を除く): 101949140

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 244, 278, 305, 521, 556, 610, 695, 1042, 1220, 1390, 2084, 2605, 2780, 5210, 8479, 10420, 16958, 31781, 33916, 42395, 63562, 72419, 84790, 127124, 144838, 158905, 169580, 289676, 317810, 362095, 635620, 724190, 1448380, 4417559, 8835118, 17670236, 22087795, 44175590, 88351180]

約数ペア:

[(1, 88351180), (2, 44175590), (4, 22087795), (5, 17670236), (10, 8835118), (20, 4417559), (61, 1448380), (122, 724190), (139, 635620), (244, 362095), (278, 317810), (305, 289676), (521, 169580), (556, 158905), (610, 144838), (695, 127124), (1042, 84790), (1220, 72419), (1390, 63562), (2084, 42395), (2605, 33916), (2780, 31781), (5210, 16958), (8479, 10420)]