78867740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7717}}^1$

素因数の和:7806

約数の個数: 48

約数和(自身を含む): 191900352

約数和(自身を除く): 113032612

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, 7717, 10220, 15434, 30868, 38585, 54019, 77170, 108038, 154340, 216076, 270095, 540190, 563341, 1080380, 1126682, 2253364, 2816705, 3943387, 5633410, 7886774, 11266820, 15773548, 19716935, 39433870, 78867740]

約数ペア:

[(1, 78867740), (2, 39433870), (4, 19716935), (5, 15773548), (7, 11266820), (10, 7886774), (14, 5633410), (20, 3943387), (28, 2816705), (35, 2253364), (70, 1126682), (73, 1080380), (140, 563341), (146, 540190), (292, 270095), (365, 216076), (511, 154340), (730, 108038), (1022, 77170), (1460, 54019), (2044, 38585), (2555, 30868), (5110, 15434), (7717, 10220)]