220132910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 205646290

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 127, 139, 145, 215, 254, 278, 290, 430, 635, 695, 1247, 1270, 1390, 2494, 3683, 4031, 5461, 5977, 6235, 7366, 8062, 10922, 11954, 12470, 17653, 18415, 20155, 27305, 29885, 35306, 36830, 40310, 54610, 59770, 88265, 158369, 173333, 176530, 316738, 346666, 511937, 759079, 791845, 866665, 1023874, 1518158, 1583690, 1733330, 2559685, 3795395, 5119370, 7590790, 22013291, 44026582, 110066455, 220132910]

約数ペア:

[(1, 220132910), (2, 110066455), (5, 44026582), (10, 22013291), (29, 7590790), (43, 5119370), (58, 3795395), (86, 2559685), (127, 1733330), (139, 1583690), (145, 1518158), (215, 1023874), (254, 866665), (278, 791845), (290, 759079), (430, 511937), (635, 346666), (695, 316738), (1247, 176530), (1270, 173333), (1390, 158369), (2494, 88265), (3683, 59770), (4031, 54610), (5461, 40310), (5977, 36830), (6235, 35306), (7366, 29885), (8062, 27305), (10922, 20155), (11954, 18415), (12470, 17653)]