190019120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 456720768

約数和(自身を除く): 266701648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 97, 188, 194, 235, 376, 388, 470, 485, 521, 752, 776, 940, 970, 1042, 1552, 1880, 1940, 2084, 2605, 3760, 3880, 4168, 4559, 5210, 7760, 8336, 9118, 10420, 18236, 20840, 22795, 24487, 36472, 41680, 45590, 48974, 50537, 72944, 91180, 97948, 101074, 122435, 182360, 195896, 202148, 244870, 252685, 364720, 391792, 404296, 489740, 505370, 808592, 979480, 1010740, 1958960, 2021480, 2375239, 4042960, 4750478, 9500956, 11876195, 19001912, 23752390, 38003824, 47504780, 95009560, 190019120]

約数ペア:

[(1, 190019120), (2, 95009560), (4, 47504780), (5, 38003824), (8, 23752390), (10, 19001912), (16, 11876195), (20, 9500956), (40, 4750478), (47, 4042960), (80, 2375239), (94, 2021480), (97, 1958960), (188, 1010740), (194, 979480), (235, 808592), (376, 505370), (388, 489740), (470, 404296), (485, 391792), (521, 364720), (752, 252685), (776, 244870), (940, 202148), (970, 195896), (1042, 182360), (1552, 122435), (1880, 101074), (1940, 97948), (2084, 91180), (2605, 72944), (3760, 50537), (3880, 48974), (4168, 45590), (4559, 41680), (5210, 36472), (7760, 24487), (8336, 22795), (9118, 20840), (10420, 18236)]