135040580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 292481280

約数和(自身を除く): 157440700

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1220, 1420, 1559, 3118, 4331, 6236, 7795, 8662, 15590, 17324, 21655, 31180, 43310, 86620, 95099, 110689, 190198, 221378, 380396, 442756, 475495, 553445, 950990, 1106890, 1901980, 2213780, 6752029, 13504058, 27008116, 33760145, 67520290, 135040580]

約数ペア:

[(1, 135040580), (2, 67520290), (4, 33760145), (5, 27008116), (10, 13504058), (20, 6752029), (61, 2213780), (71, 1901980), (122, 1106890), (142, 950990), (244, 553445), (284, 475495), (305, 442756), (355, 380396), (610, 221378), (710, 190198), (1220, 110689), (1420, 95099), (1559, 86620), (3118, 43310), (4331, 31180), (6236, 21655), (7795, 17324), (8662, 15590)]