15220700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 36653904

約数和(自身を除く): 21433204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 137, 202, 220, 274, 275, 404, 505, 548, 550, 685, 1010, 1100, 1111, 1370, 1507, 2020, 2222, 2525, 2740, 3014, 3425, 4444, 5050, 5555, 6028, 6850, 7535, 10100, 11110, 13700, 13837, 15070, 22220, 27674, 27775, 30140, 37675, 55348, 55550, 69185, 75350, 111100, 138370, 150700, 152207, 276740, 304414, 345925, 608828, 691850, 761035, 1383700, 1522070, 3044140, 3805175, 7610350, 15220700]

約数ペア:

[(1, 15220700), (2, 7610350), (4, 3805175), (5, 3044140), (10, 1522070), (11, 1383700), (20, 761035), (22, 691850), (25, 608828), (44, 345925), (50, 304414), (55, 276740), (100, 152207), (101, 150700), (110, 138370), (137, 111100), (202, 75350), (220, 69185), (274, 55550), (275, 55348), (404, 37675), (505, 30140), (548, 27775), (550, 27674), (685, 22220), (1010, 15070), (1100, 13837), (1111, 13700), (1370, 11110), (1507, 10100), (2020, 7535), (2222, 6850), (2525, 6028), (2740, 5555), (3014, 5050), (3425, 4444)]