274874560

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1993}}^1$

素因数の和:2441

約数の個数: 56

約数和(自身を含む): 656392896

約数和(自身を除く): 381518336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 862, 1724, 1993, 2155, 3448, 3986, 4310, 6896, 7972, 8620, 9965, 13792, 15944, 17240, 19930, 27584, 31888, 34480, 39860, 63776, 68960, 79720, 127552, 137920, 159440, 318880, 637760, 858983, 1717966, 3435932, 4294915, 6871864, 8589830, 13743728, 17179660, 27487456, 34359320, 54974912, 68718640, 137437280, 274874560]

約数ペア:

[(1, 274874560), (2, 137437280), (4, 68718640), (5, 54974912), (8, 34359320), (10, 27487456), (16, 17179660), (20, 13743728), (32, 8589830), (40, 6871864), (64, 4294915), (80, 3435932), (160, 1717966), (320, 858983), (431, 637760), (862, 318880), (1724, 159440), (1993, 137920), (2155, 127552), (3448, 79720), (3986, 68960), (4310, 63776), (6896, 39860), (7972, 34480), (8620, 31888), (9965, 27584), (13792, 19930), (15944, 17240)]