785431310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{2243}}^1$

素因数の和:2385

約数の個数: 48

約数和(自身を含む): 1508156496

約数和(自身を除く): 722725186

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 361, 485, 722, 970, 1805, 1843, 2243, 3610, 3686, 4486, 9215, 11215, 18430, 22430, 35017, 42617, 70034, 85234, 175085, 213085, 217571, 350170, 426170, 435142, 809723, 1087855, 1619446, 2175710, 4048615, 4133849, 8097230, 8267698, 20669245, 41338490, 78543131, 157086262, 392715655, 785431310]

約数ペア:

[(1, 785431310), (2, 392715655), (5, 157086262), (10, 78543131), (19, 41338490), (38, 20669245), (95, 8267698), (97, 8097230), (190, 4133849), (194, 4048615), (361, 2175710), (485, 1619446), (722, 1087855), (970, 809723), (1805, 435142), (1843, 426170), (2243, 350170), (3610, 217571), (3686, 213085), (4486, 175085), (9215, 85234), (11215, 70034), (18430, 42617), (22430, 35017)]