131138647540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{414707}}^1$

素因数の和:414976

約数の個数: 48

約数和(自身を含む): 279937852992

約数和(自身を除く): 148799205452

約数列:

[1, 2, 4, 5, 10, 20, 97, 163, 194, 326, 388, 485, 652, 815, 970, 1630, 1940, 3260, 15811, 31622, 63244, 79055, 158110, 316220, 414707, 829414, 1658828, 2073535, 4147070, 8294140, 40226579, 67597241, 80453158, 135194482, 160906316, 201132895, 270388964, 337986205, 402265790, 675972410, 804531580, 1351944820, 6556932377, 13113864754, 26227729508, 32784661885, 65569323770, 131138647540]

約数ペア:

[(1, 131138647540), (2, 65569323770), (4, 32784661885), (5, 26227729508), (10, 13113864754), (20, 6556932377), (97, 1351944820), (163, 804531580), (194, 675972410), (326, 402265790), (388, 337986205), (485, 270388964), (652, 201132895), (815, 160906316), (970, 135194482), (1630, 80453158), (1940, 67597241), (3260, 40226579), (15811, 8294140), (31622, 4147070), (63244, 2073535), (79055, 1658828), (158110, 829414), (316220, 414707)]