78394870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{521}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 145224576

約数和(自身を除く): 66829706

約数列:

[1, 2, 5, 10, 41, 82, 205, 367, 410, 521, 734, 1042, 1835, 2605, 3670, 5210, 15047, 21361, 30094, 42722, 75235, 106805, 150470, 191207, 213610, 382414, 956035, 1912070, 7839487, 15678974, 39197435, 78394870]

約数ペア:

[(1, 78394870), (2, 39197435), (5, 15678974), (10, 7839487), (41, 1912070), (82, 956035), (205, 382414), (367, 213610), (410, 191207), (521, 150470), (734, 106805), (1042, 75235), (1835, 42722), (2605, 30094), (3670, 21361), (5210, 15047)]