98380520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{351359}}^1$

素因数の和:351377

約数の個数: 32

約数和(自身を含む): 252979200

約数和(自身を除く): 154598680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 351359, 702718, 1405436, 1756795, 2459513, 2810872, 3513590, 4919026, 7027180, 9838052, 12297565, 14054360, 19676104, 24595130, 49190260, 98380520]

約数ペア:

[(1, 98380520), (2, 49190260), (4, 24595130), (5, 19676104), (7, 14054360), (8, 12297565), (10, 9838052), (14, 7027180), (20, 4919026), (28, 3513590), (35, 2810872), (40, 2459513), (56, 1756795), (70, 1405436), (140, 702718), (280, 351359)]