290352010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131381}}^1$

素因数の和:131418

約数の個数: 32

約数和(自身を含む): 595948752

約数和(自身を除く): 305596742

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 131381, 262762, 656905, 1313810, 1707953, 2233477, 3415906, 4466954, 8539765, 11167385, 17079530, 22334770, 29035201, 58070402, 145176005, 290352010]

約数ペア:

[(1, 290352010), (2, 145176005), (5, 58070402), (10, 29035201), (13, 22334770), (17, 17079530), (26, 11167385), (34, 8539765), (65, 4466954), (85, 3415906), (130, 2233477), (170, 1707953), (221, 1313810), (442, 656905), (1105, 262762), (2210, 131381)]