206154920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4153}}^1$

素因数の和:4254

約数の個数: 64

約数和(自身を含む): 497981520

約数和(自身を除く): 291826600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 365, 584, 680, 730, 1241, 1460, 2482, 2920, 4153, 4964, 6205, 8306, 9928, 12410, 16612, 20765, 24820, 33224, 41530, 49640, 70601, 83060, 141202, 166120, 282404, 303169, 353005, 564808, 606338, 706010, 1212676, 1412020, 1515845, 2425352, 2824040, 3031690, 5153873, 6063380, 10307746, 12126760, 20615492, 25769365, 41230984, 51538730, 103077460, 206154920]

約数ペア:

[(1, 206154920), (2, 103077460), (4, 51538730), (5, 41230984), (8, 25769365), (10, 20615492), (17, 12126760), (20, 10307746), (34, 6063380), (40, 5153873), (68, 3031690), (73, 2824040), (85, 2425352), (136, 1515845), (146, 1412020), (170, 1212676), (292, 706010), (340, 606338), (365, 564808), (584, 353005), (680, 303169), (730, 282404), (1241, 166120), (1460, 141202), (2482, 83060), (2920, 70601), (4153, 49640), (4964, 41530), (6205, 33224), (8306, 24820), (9928, 20765), (12410, 16612)]