2017269980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{997}}^1$

素因数の和:1575

約数の個数: 96

約数和(自身を含む): 4907189952

約数和(自身を除く): 2889919972

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 541, 748, 935, 997, 1082, 1870, 1994, 2164, 2705, 3740, 3988, 4985, 5410, 5951, 9197, 9970, 10820, 10967, 11902, 16949, 18394, 19940, 21934, 23804, 29755, 33898, 36788, 43868, 45985, 54835, 59510, 67796, 84745, 91970, 101167, 109670, 119020, 169490, 183940, 186439, 202334, 219340, 338980, 372878, 404668, 505835, 539377, 745756, 932195, 1011670, 1078754, 1864390, 2023340, 2157508, 2696885, 3728780, 5393770, 5933147, 9169409, 10787540, 11866294, 18338818, 23732588, 29665735, 36677636, 45847045, 59331470, 91694090, 100863499, 118662940, 183388180, 201726998, 403453996, 504317495, 1008634990, 2017269980]

約数ペア:

[(1, 2017269980), (2, 1008634990), (4, 504317495), (5, 403453996), (10, 201726998), (11, 183388180), (17, 118662940), (20, 100863499), (22, 91694090), (34, 59331470), (44, 45847045), (55, 36677636), (68, 29665735), (85, 23732588), (110, 18338818), (170, 11866294), (187, 10787540), (220, 9169409), (340, 5933147), (374, 5393770), (541, 3728780), (748, 2696885), (935, 2157508), (997, 2023340), (1082, 1864390), (1870, 1078754), (1994, 1011670), (2164, 932195), (2705, 745756), (3740, 539377), (3988, 505835), (4985, 404668), (5410, 372878), (5951, 338980), (9197, 219340), (9970, 202334), (10820, 186439), (10967, 183940), (11902, 169490), (16949, 119020), (18394, 109670), (19940, 101167), (21934, 91970), (23804, 84745), (29755, 67796), (33898, 59510), (36788, 54835), (43868, 45985)]