2100051820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{212987}}^1$

素因数の和:213042

約数の個数: 48

約数和(自身を含む): 4830567840

約数和(自身を除く): 2730516020

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 212987, 425974, 851948, 1064935, 2129870, 3620779, 4259740, 6176623, 7241558, 12353246, 14483116, 18103895, 24706492, 30883115, 36207790, 61766230, 72415580, 105002591, 123532460, 210005182, 420010364, 525012955, 1050025910, 2100051820]

約数ペア:

[(1, 2100051820), (2, 1050025910), (4, 525012955), (5, 420010364), (10, 210005182), (17, 123532460), (20, 105002591), (29, 72415580), (34, 61766230), (58, 36207790), (68, 30883115), (85, 24706492), (116, 18103895), (145, 14483116), (170, 12353246), (290, 7241558), (340, 6176623), (493, 4259740), (580, 3620779), (986, 2129870), (1972, 1064935), (2465, 851948), (4930, 425974), (9860, 212987)]