19710425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 10287655

約数列:

[1, 5, 7, 23, 25, 35, 59, 83, 115, 161, 175, 295, 413, 415, 575, 581, 805, 1357, 1475, 1909, 2065, 2075, 2905, 4025, 4897, 6785, 9499, 9545, 10325, 13363, 14525, 24485, 33925, 34279, 47495, 47725, 66815, 112631, 122425, 171395, 237475, 334075, 563155, 788417, 856975, 2815775, 3942085, 19710425]

約数ペア:

[(1, 19710425), (5, 3942085), (7, 2815775), (23, 856975), (25, 788417), (35, 563155), (59, 334075), (83, 237475), (115, 171395), (161, 122425), (175, 112631), (295, 66815), (413, 47725), (415, 47495), (575, 34279), (581, 33925), (805, 24485), (1357, 14525), (1475, 13363), (1909, 10325), (2065, 9545), (2075, 9499), (2905, 6785), (4025, 4897)]