31454920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112339}}^1$

素因数の和:112357

約数の個数: 32

約数和(自身を含む): 80884800

約数和(自身を除く): 49429880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112339, 224678, 449356, 561695, 786373, 898712, 1123390, 1572746, 2246780, 3145492, 3931865, 4493560, 6290984, 7863730, 15727460, 31454920]

約数ペア:

[(1, 31454920), (2, 15727460), (4, 7863730), (5, 6290984), (7, 4493560), (8, 3931865), (10, 3145492), (14, 2246780), (20, 1572746), (28, 1123390), (35, 898712), (40, 786373), (56, 561695), (70, 449356), (140, 224678), (280, 112339)]