90507290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1039}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 168929280

約数和(自身を除く): 78421990

約数列:

[1, 2, 5, 10, 31, 62, 155, 281, 310, 562, 1039, 1405, 2078, 2810, 5195, 8711, 10390, 17422, 32209, 43555, 64418, 87110, 161045, 291959, 322090, 583918, 1459795, 2919590, 9050729, 18101458, 45253645, 90507290]

約数ペア:

[(1, 90507290), (2, 45253645), (5, 18101458), (10, 9050729), (31, 2919590), (62, 1459795), (155, 583918), (281, 322090), (310, 291959), (562, 161045), (1039, 87110), (1405, 64418), (2078, 43555), (2810, 32209), (5195, 17422), (8711, 10390)]