20377870450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{15647}}^1$

素因数の和:15788

約数の個数: 72

約数和(自身を含む): 44042109696

約数和(自身を除く): 23664239246

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1525, 2135, 3050, 3721, 4270, 7442, 10675, 15647, 18605, 21350, 26047, 31294, 37210, 52094, 78235, 93025, 109529, 130235, 156470, 186050, 219058, 260470, 391175, 547645, 651175, 782350, 954467, 1095290, 1302350, 1908934, 2738225, 4772335, 5476450, 6681269, 9544670, 13362538, 23861675, 33406345, 47723350, 58222487, 66812690, 116444974, 167031725, 291112435, 334063450, 407557409, 582224870, 815114818, 1455562175, 2037787045, 2911124350, 4075574090, 10188935225, 20377870450]

約数ペア:

[(1, 20377870450), (2, 10188935225), (5, 4075574090), (7, 2911124350), (10, 2037787045), (14, 1455562175), (25, 815114818), (35, 582224870), (50, 407557409), (61, 334063450), (70, 291112435), (122, 167031725), (175, 116444974), (305, 66812690), (350, 58222487), (427, 47723350), (610, 33406345), (854, 23861675), (1525, 13362538), (2135, 9544670), (3050, 6681269), (3721, 5476450), (4270, 4772335), (7442, 2738225), (10675, 1908934), (15647, 1302350), (18605, 1095290), (21350, 954467), (26047, 782350), (31294, 651175), (37210, 547645), (52094, 391175), (78235, 260470), (93025, 219058), (109529, 186050), (130235, 156470)]