1900542340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{4099}}^1$

素因数の和:4444

約数の個数: 48

約数和(自身を含む): 4050144000

約数和(自身を除く): 2149601660

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 239, 388, 478, 485, 956, 970, 1195, 1940, 2390, 4099, 4780, 8198, 16396, 20495, 23183, 40990, 46366, 81980, 92732, 115915, 231830, 397603, 463660, 795206, 979661, 1590412, 1959322, 1988015, 3918644, 3976030, 4898305, 7952060, 9796610, 19593220, 95027117, 190054234, 380108468, 475135585, 950271170, 1900542340]

約数ペア:

[(1, 1900542340), (2, 950271170), (4, 475135585), (5, 380108468), (10, 190054234), (20, 95027117), (97, 19593220), (194, 9796610), (239, 7952060), (388, 4898305), (478, 3976030), (485, 3918644), (956, 1988015), (970, 1959322), (1195, 1590412), (1940, 979661), (2390, 795206), (4099, 463660), (4780, 397603), (8198, 231830), (16396, 115915), (20495, 92732), (23183, 81980), (40990, 46366)]