450712925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 666816696

約数和(自身を除く): 216103771

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 97, 145, 221, 325, 377, 425, 485, 493, 725, 841, 1105, 1261, 1649, 1885, 2425, 2465, 2813, 4205, 5525, 6305, 6409, 8245, 9425, 10933, 12325, 14065, 14297, 21025, 21437, 31525, 32045, 36569, 41225, 47821, 54665, 70325, 71485, 81577, 107185, 160225, 182845, 185861, 239105, 273325, 357425, 407885, 535925, 621673, 914225, 929305, 1060501, 1195525, 1386809, 2039425, 3108365, 4646525, 5302505, 6934045, 15541825, 18028517, 26512525, 34670225, 90142585, 450712925]

約数ペア:

[(1, 450712925), (5, 90142585), (13, 34670225), (17, 26512525), (25, 18028517), (29, 15541825), (65, 6934045), (85, 5302505), (97, 4646525), (145, 3108365), (221, 2039425), (325, 1386809), (377, 1195525), (425, 1060501), (485, 929305), (493, 914225), (725, 621673), (841, 535925), (1105, 407885), (1261, 357425), (1649, 273325), (1885, 239105), (2425, 185861), (2465, 182845), (2813, 160225), (4205, 107185), (5525, 81577), (6305, 71485), (6409, 70325), (8245, 54665), (9425, 47821), (10933, 41225), (12325, 36569), (14065, 32045), (14297, 31525), (21025, 21437)]