316827220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{829}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 676423440

約数和(自身を除く): 359596220

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 197, 388, 394, 485, 788, 829, 970, 985, 1658, 1940, 1970, 3316, 3940, 4145, 8290, 16580, 19109, 38218, 76436, 80413, 95545, 160826, 163313, 191090, 321652, 326626, 382180, 402065, 653252, 804130, 816565, 1608260, 1633130, 3266260, 15841361, 31682722, 63365444, 79206805, 158413610, 316827220]

約数ペア:

[(1, 316827220), (2, 158413610), (4, 79206805), (5, 63365444), (10, 31682722), (20, 15841361), (97, 3266260), (194, 1633130), (197, 1608260), (388, 816565), (394, 804130), (485, 653252), (788, 402065), (829, 382180), (970, 326626), (985, 321652), (1658, 191090), (1940, 163313), (1970, 160826), (3316, 95545), (3940, 80413), (4145, 76436), (8290, 38218), (16580, 19109)]