428044120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 1146931200

約数和(自身を除く): 718887080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 79, 140, 148, 158, 185, 259, 280, 296, 316, 370, 395, 518, 523, 553, 632, 740, 790, 1036, 1046, 1106, 1295, 1480, 1580, 2072, 2092, 2212, 2590, 2615, 2765, 2923, 3160, 3661, 4184, 4424, 5180, 5230, 5530, 5846, 7322, 10360, 10460, 11060, 11692, 14615, 14644, 18305, 19351, 20461, 20920, 22120, 23384, 29230, 29288, 36610, 38702, 40922, 41317, 58460, 73220, 77404, 81844, 82634, 96755, 102305, 116920, 135457, 146440, 154808, 163688, 165268, 193510, 204610, 206585, 270914, 289219, 330536, 387020, 409220, 413170, 541828, 578438, 677285, 774040, 818440, 826340, 1083656, 1156876, 1354570, 1446095, 1528729, 1652680, 2313752, 2709140, 2892190, 3057458, 5418280, 5784380, 6114916, 7643645, 10701103, 11568760, 12229832, 15287290, 21402206, 30574580, 42804412, 53505515, 61149160, 85608824, 107011030, 214022060, 428044120]

約数ペア:

[(1, 428044120), (2, 214022060), (4, 107011030), (5, 85608824), (7, 61149160), (8, 53505515), (10, 42804412), (14, 30574580), (20, 21402206), (28, 15287290), (35, 12229832), (37, 11568760), (40, 10701103), (56, 7643645), (70, 6114916), (74, 5784380), (79, 5418280), (140, 3057458), (148, 2892190), (158, 2709140), (185, 2313752), (259, 1652680), (280, 1528729), (296, 1446095), (316, 1354570), (370, 1156876), (395, 1083656), (518, 826340), (523, 818440), (553, 774040), (632, 677285), (740, 578438), (790, 541828), (1036, 413170), (1046, 409220), (1106, 387020), (1295, 330536), (1480, 289219), (1580, 270914), (2072, 206585), (2092, 204610), (2212, 193510), (2590, 165268), (2615, 163688), (2765, 154808), (2923, 146440), (3160, 135457), (3661, 116920), (4184, 102305), (4424, 96755), (5180, 82634), (5230, 81844), (5530, 77404), (5846, 73220), (7322, 58460), (10360, 41317), (10460, 40922), (11060, 38702), (11692, 36610), (14615, 29288), (14644, 29230), (18305, 23384), (19351, 22120), (20461, 20920)]