492036740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 1127536200

約数和(自身を除く): 635499460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 169, 260, 298, 338, 596, 676, 745, 845, 977, 1490, 1690, 1937, 1954, 2980, 3380, 3874, 3908, 4885, 7748, 9685, 9770, 12701, 19370, 19540, 25181, 25402, 38740, 50362, 50804, 63505, 100724, 125905, 127010, 145573, 165113, 251810, 254020, 291146, 330226, 503620, 582292, 660452, 727865, 825565, 1455730, 1651130, 1892449, 2911460, 3302260, 3784898, 7569796, 9462245, 18924490, 24601837, 37848980, 49203674, 98407348, 123009185, 246018370, 492036740]

約数ペア:

[(1, 492036740), (2, 246018370), (4, 123009185), (5, 98407348), (10, 49203674), (13, 37848980), (20, 24601837), (26, 18924490), (52, 9462245), (65, 7569796), (130, 3784898), (149, 3302260), (169, 2911460), (260, 1892449), (298, 1651130), (338, 1455730), (596, 825565), (676, 727865), (745, 660452), (845, 582292), (977, 503620), (1490, 330226), (1690, 291146), (1937, 254020), (1954, 251810), (2980, 165113), (3380, 145573), (3874, 127010), (3908, 125905), (4885, 100724), (7748, 63505), (9685, 50804), (9770, 50362), (12701, 38740), (19370, 25402), (19540, 25181)]