4028666140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{557987}}^1$

素因数の和:558034

約数の個数: 36

約数和(自身を含む): 8928923976

約数和(自身を除く): 4900257836

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 557987, 1115974, 2231948, 2789935, 5579870, 10601753, 11159740, 21203506, 42407012, 53008765, 106017530, 201433307, 212035060, 402866614, 805733228, 1007166535, 2014333070, 4028666140]

約数ペア:

[(1, 4028666140), (2, 2014333070), (4, 1007166535), (5, 805733228), (10, 402866614), (19, 212035060), (20, 201433307), (38, 106017530), (76, 53008765), (95, 42407012), (190, 21203506), (361, 11159740), (380, 10601753), (722, 5579870), (1444, 2789935), (1805, 2231948), (3610, 1115974), (7220, 557987)]