289609060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2939}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 656913600

約数和(自身を除く): 367304540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 2939, 3790, 4927, 5878, 7580, 9854, 11756, 14695, 19708, 24635, 29390, 38207, 49270, 58780, 76414, 98540, 152828, 191035, 382070, 764140, 1113881, 2227762, 4455524, 5569405, 11138810, 14480453, 22277620, 28960906, 57921812, 72402265, 144804530, 289609060]

約数ペア:

[(1, 289609060), (2, 144804530), (4, 72402265), (5, 57921812), (10, 28960906), (13, 22277620), (20, 14480453), (26, 11138810), (52, 5569405), (65, 4455524), (130, 2227762), (260, 1113881), (379, 764140), (758, 382070), (1516, 191035), (1895, 152828), (2939, 98540), (3790, 76414), (4927, 58780), (5878, 49270), (7580, 38207), (9854, 29390), (11756, 24635), (14695, 19708)]