257561850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18869}}^1$

素因数の和:18904

約数の個数: 96

約数和(自身を含む): 786199680

約数和(自身を除く): 528637830

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1950, 2275, 2730, 4550, 6825, 13650, 18869, 37738, 56607, 94345, 113214, 132083, 188690, 245297, 264166, 283035, 396249, 471725, 490594, 566070, 660415, 735891, 792498, 943450, 1226485, 1320830, 1415175, 1471782, 1717079, 1981245, 2452970, 2830350, 3302075, 3434158, 3679455, 3962490, 5151237, 6132425, 6604150, 7358910, 8585395, 9906225, 10302474, 12264850, 17170790, 18397275, 19812450, 25756185, 36794550, 42926975, 51512370, 85853950, 128780925, 257561850]

約数ペア:

[(1, 257561850), (2, 128780925), (3, 85853950), (5, 51512370), (6, 42926975), (7, 36794550), (10, 25756185), (13, 19812450), (14, 18397275), (15, 17170790), (21, 12264850), (25, 10302474), (26, 9906225), (30, 8585395), (35, 7358910), (39, 6604150), (42, 6132425), (50, 5151237), (65, 3962490), (70, 3679455), (75, 3434158), (78, 3302075), (91, 2830350), (105, 2452970), (130, 1981245), (150, 1717079), (175, 1471782), (182, 1415175), (195, 1320830), (210, 1226485), (273, 943450), (325, 792498), (350, 735891), (390, 660415), (455, 566070), (525, 490594), (546, 471725), (650, 396249), (910, 283035), (975, 264166), (1050, 245297), (1365, 188690), (1950, 132083), (2275, 113214), (2730, 94345), (4550, 56607), (6825, 37738), (13650, 18869)]