79700180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{997}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 191807616

約数和(自身を除く): 112107436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 997, 1142, 1994, 2284, 2855, 3988, 3997, 4985, 5710, 6979, 7994, 9970, 11420, 13958, 15988, 19940, 19985, 27916, 34895, 39970, 69790, 79940, 139580, 569287, 1138574, 2277148, 2846435, 3985009, 5692870, 7970018, 11385740, 15940036, 19925045, 39850090, 79700180]

約数ペア:

[(1, 79700180), (2, 39850090), (4, 19925045), (5, 15940036), (7, 11385740), (10, 7970018), (14, 5692870), (20, 3985009), (28, 2846435), (35, 2277148), (70, 1138574), (140, 569287), (571, 139580), (997, 79940), (1142, 69790), (1994, 39970), (2284, 34895), (2855, 27916), (3988, 19985), (3997, 19940), (4985, 15988), (5710, 13958), (6979, 11420), (7994, 9970)]