249400460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{34543}}^1$

素因数の和:34590

約数の個数: 36

約数和(自身を含む): 552773088

約数和(自身を除く): 303372628

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 34543, 69086, 138172, 172715, 345430, 656317, 690860, 1312634, 2625268, 3281585, 6563170, 12470023, 13126340, 24940046, 49880092, 62350115, 124700230, 249400460]

約数ペア:

[(1, 249400460), (2, 124700230), (4, 62350115), (5, 49880092), (10, 24940046), (19, 13126340), (20, 12470023), (38, 6563170), (76, 3281585), (95, 2625268), (190, 1312634), (361, 690860), (380, 656317), (722, 345430), (1444, 172715), (1805, 138172), (3610, 69086), (7220, 34543)]