154906225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1979}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 200344320

約数和(自身を除く): 45438095

約数列:

[1, 5, 25, 31, 101, 155, 505, 775, 1979, 2525, 3131, 9895, 15655, 49475, 61349, 78275, 199879, 306745, 999395, 1533725, 4996975, 6196249, 30981245, 154906225]

約数ペア:

[(1, 154906225), (5, 30981245), (25, 6196249), (31, 4996975), (101, 1533725), (155, 999395), (505, 306745), (775, 199879), (1979, 78275), (2525, 61349), (3131, 49475), (9895, 15655)]