91978180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2099}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 221558400

約数和(自身を除く): 129580220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 1252, 1565, 2099, 2191, 3130, 4198, 4382, 6260, 8396, 8764, 10495, 10955, 14693, 20990, 21910, 29386, 41980, 43820, 58772, 73465, 146930, 293860, 656987, 1313974, 2627948, 3284935, 4598909, 6569870, 9197818, 13139740, 18395636, 22994545, 45989090, 91978180]

約数ペア:

[(1, 91978180), (2, 45989090), (4, 22994545), (5, 18395636), (7, 13139740), (10, 9197818), (14, 6569870), (20, 4598909), (28, 3284935), (35, 2627948), (70, 1313974), (140, 656987), (313, 293860), (626, 146930), (1252, 73465), (1565, 58772), (2099, 43820), (2191, 41980), (3130, 29386), (4198, 21910), (4382, 20990), (6260, 14693), (8396, 10955), (8764, 10495)]