528763820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2251

約数の個数: 72

約数和(自身を含む): 1219430016

約数和(自身を除く): 690666196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 169, 260, 292, 338, 365, 676, 730, 845, 949, 1460, 1690, 1898, 2143, 3380, 3796, 4286, 4745, 8572, 9490, 10715, 12337, 18980, 21430, 24674, 27859, 42860, 49348, 55718, 61685, 111436, 123370, 139295, 156439, 246740, 278590, 312878, 362167, 557180, 625756, 724334, 782195, 1448668, 1564390, 1810835, 2033707, 3128780, 3621670, 4067414, 7243340, 8134828, 10168535, 20337070, 26438191, 40674140, 52876382, 105752764, 132190955, 264381910, 528763820]

約数ペア:

[(1, 528763820), (2, 264381910), (4, 132190955), (5, 105752764), (10, 52876382), (13, 40674140), (20, 26438191), (26, 20337070), (52, 10168535), (65, 8134828), (73, 7243340), (130, 4067414), (146, 3621670), (169, 3128780), (260, 2033707), (292, 1810835), (338, 1564390), (365, 1448668), (676, 782195), (730, 724334), (845, 625756), (949, 557180), (1460, 362167), (1690, 312878), (1898, 278590), (2143, 246740), (3380, 156439), (3796, 139295), (4286, 123370), (4745, 111436), (8572, 61685), (9490, 55718), (10715, 49348), (12337, 42860), (18980, 27859), (21430, 24674)]