85875740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 184615200

約数和(自身を除く): 98739460

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 146, 262, 292, 365, 449, 524, 655, 730, 898, 1310, 1460, 1796, 2245, 2620, 4490, 8980, 9563, 19126, 32777, 38252, 47815, 58819, 65554, 95630, 117638, 131108, 163885, 191260, 235276, 294095, 327770, 588190, 655540, 1176380, 4293787, 8587574, 17175148, 21468935, 42937870, 85875740]

約数ペア:

[(1, 85875740), (2, 42937870), (4, 21468935), (5, 17175148), (10, 8587574), (20, 4293787), (73, 1176380), (131, 655540), (146, 588190), (262, 327770), (292, 294095), (365, 235276), (449, 191260), (524, 163885), (655, 131108), (730, 117638), (898, 95630), (1310, 65554), (1460, 58819), (1796, 47815), (2245, 38252), (2620, 32777), (4490, 19126), (8980, 9563)]