253661860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173741}}^1$

素因数の和:173823

約数の個数: 24

約数和(自身を含む): 539990136

約数和(自身を除く): 286328276

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 173741, 347482, 694964, 868705, 1737410, 3474820, 12683093, 25366186, 50732372, 63415465, 126830930, 253661860]

約数ペア:

[(1, 253661860), (2, 126830930), (4, 63415465), (5, 50732372), (10, 25366186), (20, 12683093), (73, 3474820), (146, 1737410), (292, 868705), (365, 694964), (730, 347482), (1460, 173741)]