218487220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42179}}^1$

素因数の和:42232

約数の個数: 48

約数和(自身を含む): 538554240

約数和(自身を除く): 320067020

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, 42179, 84358, 168716, 210895, 295253, 421790, 590506, 843580, 1181012, 1476265, 1560623, 2952530, 3121246, 5905060, 6242492, 7803115, 10924361, 15606230, 21848722, 31212460, 43697444, 54621805, 109243610, 218487220]

約数ペア:

[(1, 218487220), (2, 109243610), (4, 54621805), (5, 43697444), (7, 31212460), (10, 21848722), (14, 15606230), (20, 10924361), (28, 7803115), (35, 6242492), (37, 5905060), (70, 3121246), (74, 2952530), (140, 1560623), (148, 1476265), (185, 1181012), (259, 843580), (370, 590506), (518, 421790), (740, 295253), (1036, 210895), (1295, 168716), (2590, 84358), (5180, 42179)]