85715140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8387}}^1$

素因数の和:8476

約数の個数: 48

約数和(自身を含む): 208559232

約数和(自身を除く): 122844092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 8387, 10220, 16774, 33548, 41935, 58709, 83870, 117418, 167740, 234836, 293545, 587090, 612251, 1174180, 1224502, 2449004, 3061255, 4285757, 6122510, 8571514, 12245020, 17143028, 21428785, 42857570, 85715140]

約数ペア:

[(1, 85715140), (2, 42857570), (4, 21428785), (5, 17143028), (7, 12245020), (10, 8571514), (14, 6122510), (20, 4285757), (28, 3061255), (35, 2449004), (70, 1224502), (73, 1174180), (140, 612251), (146, 587090), (292, 293545), (365, 234836), (511, 167740), (730, 117418), (1022, 83870), (1460, 58709), (2044, 41935), (2555, 33548), (5110, 16774), (8387, 10220)]