318204530

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 80

約数和(自身を含む): 692743320

約数和(自身を除く): 374538790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 343, 406, 457, 490, 686, 914, 1015, 1421, 1715, 2030, 2285, 2401, 2842, 3199, 3430, 4570, 4802, 6398, 7105, 9947, 12005, 13253, 14210, 15995, 19894, 22393, 24010, 26506, 31990, 44786, 49735, 66265, 69629, 92771, 99470, 111965, 132530, 139258, 156751, 185542, 223930, 313502, 348145, 463855, 649397, 696290, 783755, 927710, 1097257, 1298794, 1567510, 2194514, 3246985, 4545779, 5486285, 6493970, 9091558, 10972570, 22728895, 31820453, 45457790, 63640906, 159102265, 318204530]

約数ペア:

[(1, 318204530), (2, 159102265), (5, 63640906), (7, 45457790), (10, 31820453), (14, 22728895), (29, 10972570), (35, 9091558), (49, 6493970), (58, 5486285), (70, 4545779), (98, 3246985), (145, 2194514), (203, 1567510), (245, 1298794), (290, 1097257), (343, 927710), (406, 783755), (457, 696290), (490, 649397), (686, 463855), (914, 348145), (1015, 313502), (1421, 223930), (1715, 185542), (2030, 156751), (2285, 139258), (2401, 132530), (2842, 111965), (3199, 99470), (3430, 92771), (4570, 69629), (4802, 66265), (6398, 49735), (7105, 44786), (9947, 31990), (12005, 26506), (13253, 24010), (14210, 22393), (15995, 19894)]