28751100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13691}}^1$

素因数の和:13715

約数の個数: 72

約数和(自身を含む): 95077248

約数和(自身を除く): 66326148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13691, 27382, 41073, 54764, 68455, 82146, 95837, 136910, 164292, 191674, 205365, 273820, 287511, 342275, 383348, 410730, 479185, 575022, 684550, 821460, 958370, 1026825, 1150044, 1369100, 1437555, 1916740, 2053650, 2395925, 2875110, 4107300, 4791850, 5750220, 7187775, 9583700, 14375550, 28751100]

約数ペア:

[(1, 28751100), (2, 14375550), (3, 9583700), (4, 7187775), (5, 5750220), (6, 4791850), (7, 4107300), (10, 2875110), (12, 2395925), (14, 2053650), (15, 1916740), (20, 1437555), (21, 1369100), (25, 1150044), (28, 1026825), (30, 958370), (35, 821460), (42, 684550), (50, 575022), (60, 479185), (70, 410730), (75, 383348), (84, 342275), (100, 287511), (105, 273820), (140, 205365), (150, 191674), (175, 164292), (210, 136910), (300, 95837), (350, 82146), (420, 68455), (525, 54764), (700, 41073), (1050, 27382), (2100, 13691)]