2009015030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{21017}}^1$

素因数の和:21125

約数の個数: 48

約数和(自身を含む): 4025367360

約数和(自身を除く): 2016352330

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 242, 395, 605, 790, 869, 1210, 1738, 4345, 8690, 9559, 19118, 21017, 42034, 47795, 95590, 105085, 210170, 231187, 462374, 1155935, 1660343, 2311870, 2543057, 3320686, 5086114, 8301715, 12715285, 16603430, 18263773, 25430570, 36527546, 91318865, 182637730, 200901503, 401803006, 1004507515, 2009015030]

約数ペア:

[(1, 2009015030), (2, 1004507515), (5, 401803006), (10, 200901503), (11, 182637730), (22, 91318865), (55, 36527546), (79, 25430570), (110, 18263773), (121, 16603430), (158, 12715285), (242, 8301715), (395, 5086114), (605, 3320686), (790, 2543057), (869, 2311870), (1210, 1660343), (1738, 1155935), (4345, 462374), (8690, 231187), (9559, 210170), (19118, 105085), (21017, 95590), (42034, 47795)]