31812970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 68553216

約数和(自身を除く): 36740246

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 71, 74, 142, 173, 185, 259, 346, 355, 370, 497, 518, 710, 865, 994, 1211, 1295, 1730, 2422, 2485, 2590, 2627, 4970, 5254, 6055, 6401, 12110, 12283, 12802, 13135, 18389, 24566, 26270, 32005, 36778, 44807, 61415, 64010, 85981, 89614, 91945, 122830, 171962, 183890, 224035, 429905, 448070, 454471, 859810, 908942, 2272355, 3181297, 4544710, 6362594, 15906485, 31812970]

約数ペア:

[(1, 31812970), (2, 15906485), (5, 6362594), (7, 4544710), (10, 3181297), (14, 2272355), (35, 908942), (37, 859810), (70, 454471), (71, 448070), (74, 429905), (142, 224035), (173, 183890), (185, 171962), (259, 122830), (346, 91945), (355, 89614), (370, 85981), (497, 64010), (518, 61415), (710, 44807), (865, 36778), (994, 32005), (1211, 26270), (1295, 24566), (1730, 18389), (2422, 13135), (2485, 12802), (2590, 12283), (2627, 12110), (4970, 6401), (5254, 6055)]