289494080

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2099}}^1$

素因数の和:2547

約数の個数: 56

約数和(自身を含む): 691286400

約数和(自身を除く): 401792320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 862, 1724, 2099, 2155, 3448, 4198, 4310, 6896, 8396, 8620, 10495, 13792, 16792, 17240, 20990, 27584, 33584, 34480, 41980, 67168, 68960, 83960, 134336, 137920, 167920, 335840, 671680, 904669, 1809338, 3618676, 4523345, 7237352, 9046690, 14474704, 18093380, 28949408, 36186760, 57898816, 72373520, 144747040, 289494080]

約数ペア:

[(1, 289494080), (2, 144747040), (4, 72373520), (5, 57898816), (8, 36186760), (10, 28949408), (16, 18093380), (20, 14474704), (32, 9046690), (40, 7237352), (64, 4523345), (80, 3618676), (160, 1809338), (320, 904669), (431, 671680), (862, 335840), (1724, 167920), (2099, 137920), (2155, 134336), (3448, 83960), (4198, 68960), (4310, 67168), (6896, 41980), (8396, 34480), (8620, 33584), (10495, 27584), (13792, 20990), (16792, 17240)]