28172940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4649}}^1$

素因数の和:4762

約数の個数: 48

約数和(自身を含む): 79682400

約数和(自身を除く): 51509460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 4649, 6060, 9298, 13947, 18596, 23245, 27894, 46490, 55788, 69735, 92980, 139470, 278940, 469549, 939098, 1408647, 1878196, 2347745, 2817294, 4695490, 5634588, 7043235, 9390980, 14086470, 28172940]

約数ペア:

[(1, 28172940), (2, 14086470), (3, 9390980), (4, 7043235), (5, 5634588), (6, 4695490), (10, 2817294), (12, 2347745), (15, 1878196), (20, 1408647), (30, 939098), (60, 469549), (101, 278940), (202, 139470), (303, 92980), (404, 69735), (505, 55788), (606, 46490), (1010, 27894), (1212, 23245), (1515, 18596), (2020, 13947), (3030, 9298), (4649, 6060)]