205156280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10037}}^1$

素因数の和:10128

約数の個数: 64

約数和(自身を含む): 534824640

約数和(自身を除く): 329668360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10037, 10220, 20074, 20440, 40148, 50185, 70259, 80296, 100370, 140518, 200740, 281036, 351295, 401480, 562072, 702590, 732701, 1405180, 1465402, 2810360, 2930804, 3663505, 5128907, 5861608, 7327010, 10257814, 14654020, 20515628, 25644535, 29308040, 41031256, 51289070, 102578140, 205156280]

約数ペア:

[(1, 205156280), (2, 102578140), (4, 51289070), (5, 41031256), (7, 29308040), (8, 25644535), (10, 20515628), (14, 14654020), (20, 10257814), (28, 7327010), (35, 5861608), (40, 5128907), (56, 3663505), (70, 2930804), (73, 2810360), (140, 1465402), (146, 1405180), (280, 732701), (292, 702590), (365, 562072), (511, 401480), (584, 351295), (730, 281036), (1022, 200740), (1460, 140518), (2044, 100370), (2555, 80296), (2920, 70259), (4088, 50185), (5110, 40148), (10037, 20440), (10220, 20074)]