201986180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1109

約数の個数: 96

約数和(自身を含む): 499685760

約数和(自身を除く): 297699580

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 53, 55, 68, 85, 106, 110, 170, 187, 212, 220, 265, 340, 374, 530, 583, 748, 901, 935, 1019, 1060, 1166, 1802, 1870, 2038, 2332, 2915, 3604, 3740, 4076, 4505, 5095, 5830, 9010, 9911, 10190, 11209, 11660, 17323, 18020, 19822, 20380, 22418, 34646, 39644, 44836, 49555, 54007, 56045, 69292, 86615, 99110, 108014, 112090, 173230, 190553, 198220, 216028, 224180, 270035, 346460, 381106, 540070, 594077, 762212, 918119, 952765, 1080140, 1188154, 1836238, 1905530, 2376308, 2970385, 3672476, 3811060, 4590595, 5940770, 9181190, 10099309, 11881540, 18362380, 20198618, 40397236, 50496545, 100993090, 201986180]

約数ペア:

[(1, 201986180), (2, 100993090), (4, 50496545), (5, 40397236), (10, 20198618), (11, 18362380), (17, 11881540), (20, 10099309), (22, 9181190), (34, 5940770), (44, 4590595), (53, 3811060), (55, 3672476), (68, 2970385), (85, 2376308), (106, 1905530), (110, 1836238), (170, 1188154), (187, 1080140), (212, 952765), (220, 918119), (265, 762212), (340, 594077), (374, 540070), (530, 381106), (583, 346460), (748, 270035), (901, 224180), (935, 216028), (1019, 198220), (1060, 190553), (1166, 173230), (1802, 112090), (1870, 108014), (2038, 99110), (2332, 86615), (2915, 69292), (3604, 56045), (3740, 54007), (4076, 49555), (4505, 44836), (5095, 39644), (5830, 34646), (9010, 22418), (9911, 20380), (10190, 19822), (11209, 18020), (11660, 17323)]