61908280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{221101}}^1$

素因数の和:221119

約数の個数: 32

約数和(自身を含む): 159193440

約数和(自身を除く): 97285160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 221101, 442202, 884404, 1105505, 1547707, 1768808, 2211010, 3095414, 4422020, 6190828, 7738535, 8844040, 12381656, 15477070, 30954140, 61908280]

約数ペア:

[(1, 61908280), (2, 30954140), (4, 15477070), (5, 12381656), (7, 8844040), (8, 7738535), (10, 6190828), (14, 4422020), (20, 3095414), (28, 2211010), (35, 1768808), (40, 1547707), (56, 1105505), (70, 884404), (140, 442202), (280, 221101)]