207974950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7549}}^1$

素因数の和:7609

約数の個数: 48

約数和(自身を含む): 421290000

約数和(自身を除く): 213315050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2755, 5510, 7549, 13775, 15098, 27550, 37745, 75490, 143431, 188725, 218921, 286862, 377450, 437842, 717155, 1094605, 1434310, 2189210, 3585775, 4159499, 5473025, 7171550, 8318998, 10946050, 20797495, 41594990, 103987475, 207974950]

約数ペア:

[(1, 207974950), (2, 103987475), (5, 41594990), (10, 20797495), (19, 10946050), (25, 8318998), (29, 7171550), (38, 5473025), (50, 4159499), (58, 3585775), (95, 2189210), (145, 1434310), (190, 1094605), (290, 717155), (475, 437842), (551, 377450), (725, 286862), (950, 218921), (1102, 188725), (1450, 143431), (2755, 75490), (5510, 37745), (7549, 27550), (13775, 15098)]