281345440

素因数分解:

$2^5\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3671}}^1$

素因数の和:4165

約数の個数: 48

約数和(自身を含む): 666247680

約数和(自身を除く): 384902240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 479, 958, 1916, 2395, 3671, 3832, 4790, 7342, 7664, 9580, 14684, 15328, 18355, 19160, 29368, 36710, 38320, 58736, 73420, 76640, 117472, 146840, 293680, 587360, 1758409, 3516818, 7033636, 8792045, 14067272, 17584090, 28134544, 35168180, 56269088, 70336360, 140672720, 281345440]

約数ペア:

[(1, 281345440), (2, 140672720), (4, 70336360), (5, 56269088), (8, 35168180), (10, 28134544), (16, 17584090), (20, 14067272), (32, 8792045), (40, 7033636), (80, 3516818), (160, 1758409), (479, 587360), (958, 293680), (1916, 146840), (2395, 117472), (3671, 76640), (3832, 73420), (4790, 58736), (7342, 38320), (7664, 36710), (9580, 29368), (14684, 19160), (15328, 18355)]