40112870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1245

約数の個数: 48

約数和(自身を含む): 85248288

約数和(自身を除く): 45135418

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 1153, 2306, 2485, 3479, 4970, 5765, 6958, 8071, 11530, 16142, 17395, 34790, 40355, 56497, 80710, 81863, 112994, 163726, 282485, 409315, 564970, 573041, 818630, 1146082, 2865205, 4011287, 5730410, 8022574, 20056435, 40112870]

約数ペア:

[(1, 40112870), (2, 20056435), (5, 8022574), (7, 5730410), (10, 4011287), (14, 2865205), (35, 1146082), (49, 818630), (70, 573041), (71, 564970), (98, 409315), (142, 282485), (245, 163726), (355, 112994), (490, 81863), (497, 80710), (710, 56497), (994, 40355), (1153, 34790), (2306, 17395), (2485, 16142), (3479, 11530), (4970, 8071), (5765, 6958)]