12884900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 32497920

約数和(自身を除く): 19613020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 233, 316, 350, 395, 466, 553, 700, 790, 932, 1106, 1165, 1580, 1631, 1975, 2212, 2330, 2765, 3262, 3950, 4660, 5530, 5825, 6524, 7900, 8155, 11060, 11650, 13825, 16310, 18407, 23300, 27650, 32620, 36814, 40775, 55300, 73628, 81550, 92035, 128849, 163100, 184070, 257698, 368140, 460175, 515396, 644245, 920350, 1288490, 1840700, 2576980, 3221225, 6442450, 12884900]

約数ペア:

[(1, 12884900), (2, 6442450), (4, 3221225), (5, 2576980), (7, 1840700), (10, 1288490), (14, 920350), (20, 644245), (25, 515396), (28, 460175), (35, 368140), (50, 257698), (70, 184070), (79, 163100), (100, 128849), (140, 92035), (158, 81550), (175, 73628), (233, 55300), (316, 40775), (350, 36814), (395, 32620), (466, 27650), (553, 23300), (700, 18407), (790, 16310), (932, 13825), (1106, 11650), (1165, 11060), (1580, 8155), (1631, 7900), (1975, 6524), (2212, 5825), (2330, 5530), (2765, 4660), (3262, 3950)]