89894840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{321053}}^1$

素因数の和:321071

約数の個数: 32

約数和(自身を含む): 231158880

約数和(自身を除く): 141264040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 321053, 642106, 1284212, 1605265, 2247371, 2568424, 3210530, 4494742, 6421060, 8989484, 11236855, 12842120, 17978968, 22473710, 44947420, 89894840]

約数ペア:

[(1, 89894840), (2, 44947420), (4, 22473710), (5, 17978968), (7, 12842120), (8, 11236855), (10, 8989484), (14, 6421060), (20, 4494742), (28, 3210530), (35, 2568424), (40, 2247371), (56, 1605265), (70, 1284212), (140, 642106), (280, 321053)]