128271010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{18143}}^1$

素因数の和:18258

約数の個数: 32

約数和(自身を含む): 266499072

約数和(自身を除く): 138228062

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 18143, 36286, 90715, 127001, 181430, 254002, 635005, 1270010, 1832443, 3664886, 9162215, 12827101, 18324430, 25654202, 64135505, 128271010]

約数ペア:

[(1, 128271010), (2, 64135505), (5, 25654202), (7, 18324430), (10, 12827101), (14, 9162215), (35, 3664886), (70, 1832443), (101, 1270010), (202, 635005), (505, 254002), (707, 181430), (1010, 127001), (1414, 90715), (3535, 36286), (7070, 18143)]