285427870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3779}}^1$

素因数の和:3889

約数の個数: 64

約数和(自身を含む): 640120320

約数和(自身を除く): 354692450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 83, 91, 130, 166, 182, 415, 455, 581, 830, 910, 1079, 1162, 2158, 2905, 3779, 5395, 5810, 7553, 7558, 10790, 15106, 18895, 26453, 37765, 37790, 49127, 52906, 75530, 98254, 132265, 245635, 264530, 313657, 343889, 491270, 627314, 687778, 1568285, 1719445, 2195599, 3136570, 3438890, 4077541, 4391198, 8155082, 10977995, 20387705, 21955990, 28542787, 40775410, 57085574, 142713935, 285427870]

約数ペア:

[(1, 285427870), (2, 142713935), (5, 57085574), (7, 40775410), (10, 28542787), (13, 21955990), (14, 20387705), (26, 10977995), (35, 8155082), (65, 4391198), (70, 4077541), (83, 3438890), (91, 3136570), (130, 2195599), (166, 1719445), (182, 1568285), (415, 687778), (455, 627314), (581, 491270), (830, 343889), (910, 313657), (1079, 264530), (1162, 245635), (2158, 132265), (2905, 98254), (3779, 75530), (5395, 52906), (5810, 49127), (7553, 37790), (7558, 37765), (10790, 26453), (15106, 18895)]