2019155240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{14939}}^1$

素因数の和:15090

約数の個数: 64

約数和(自身を含む): 4732992000

約数和(自身を除く): 2713836760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 1090, 1240, 2180, 3379, 4360, 6758, 13516, 14939, 16895, 27032, 29878, 33790, 59756, 67580, 74695, 119512, 135160, 149390, 298780, 463109, 597560, 926218, 1628351, 1852436, 2315545, 3256702, 3704872, 4631090, 6513404, 8141755, 9262180, 13026808, 16283510, 18524360, 32567020, 50478881, 65134040, 100957762, 201915524, 252394405, 403831048, 504788810, 1009577620, 2019155240]

約数ペア:

[(1, 2019155240), (2, 1009577620), (4, 504788810), (5, 403831048), (8, 252394405), (10, 201915524), (20, 100957762), (31, 65134040), (40, 50478881), (62, 32567020), (109, 18524360), (124, 16283510), (155, 13026808), (218, 9262180), (248, 8141755), (310, 6513404), (436, 4631090), (545, 3704872), (620, 3256702), (872, 2315545), (1090, 1852436), (1240, 1628351), (2180, 926218), (3379, 597560), (4360, 463109), (6758, 298780), (13516, 149390), (14939, 135160), (16895, 119512), (27032, 74695), (29878, 67580), (33790, 59756)]