404967220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78179}}^1$

素因数の和:78232

約数の個数: 48

約数和(自身を含む): 998202240

約数和(自身を除く): 593235020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 78179, 156358, 312716, 390895, 547253, 781790, 1094506, 1563580, 2189012, 2736265, 2892623, 5472530, 5785246, 10945060, 11570492, 14463115, 20248361, 28926230, 40496722, 57852460, 80993444, 101241805, 202483610, 404967220]

約数ペア:

[(1, 404967220), (2, 202483610), (4, 101241805), (5, 80993444), (7, 57852460), (10, 40496722), (14, 28926230), (20, 20248361), (28, 14463115), (35, 11570492), (37, 10945060), (70, 5785246), (74, 5472530), (140, 2892623), (148, 2736265), (185, 2189012), (259, 1563580), (370, 1094506), (518, 781790), (740, 547253), (1036, 390895), (1295, 312716), (2590, 156358), (5180, 78179)]