130977980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 327062400

約数和(自身を除く): 196084420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 313, 343, 427, 490, 610, 626, 686, 854, 980, 1220, 1252, 1372, 1565, 1708, 1715, 2135, 2191, 2989, 3130, 3430, 4270, 4382, 5978, 6260, 6860, 8540, 8764, 10955, 11956, 14945, 15337, 19093, 20923, 21910, 29890, 30674, 38186, 41846, 43820, 59780, 61348, 76372, 76685, 83692, 95465, 104615, 107359, 133651, 153370, 190930, 209230, 214718, 267302, 306740, 381860, 418460, 429436, 534604, 536795, 668255, 935557, 1073590, 1336510, 1871114, 2147180, 2673020, 3742228, 4677785, 6548899, 9355570, 13097798, 18711140, 26195596, 32744495, 65488990, 130977980]

約数ペア:

[(1, 130977980), (2, 65488990), (4, 32744495), (5, 26195596), (7, 18711140), (10, 13097798), (14, 9355570), (20, 6548899), (28, 4677785), (35, 3742228), (49, 2673020), (61, 2147180), (70, 1871114), (98, 1336510), (122, 1073590), (140, 935557), (196, 668255), (244, 536795), (245, 534604), (305, 429436), (313, 418460), (343, 381860), (427, 306740), (490, 267302), (610, 214718), (626, 209230), (686, 190930), (854, 153370), (980, 133651), (1220, 107359), (1252, 104615), (1372, 95465), (1565, 83692), (1708, 76685), (1715, 76372), (2135, 61348), (2191, 59780), (2989, 43820), (3130, 41846), (3430, 38186), (4270, 30674), (4382, 29890), (5978, 21910), (6260, 20923), (6860, 19093), (8540, 15337), (8764, 14945), (10955, 11956)]