28324380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1$

素因数の和:4003

約数の個数: 96

約数和(自身を含む): 95993856

約数和(自身を除く): 67669476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 3967, 7140, 7934, 11901, 15868, 19835, 23802, 27769, 39670, 47604, 55538, 59505, 67439, 79340, 83307, 111076, 119010, 134878, 138845, 166614, 202317, 238020, 269756, 277690, 333228, 337195, 404634, 416535, 472073, 555380, 674390, 809268, 833070, 944146, 1011585, 1348780, 1416219, 1666140, 1888292, 2023170, 2360365, 2832438, 4046340, 4720730, 5664876, 7081095, 9441460, 14162190, 28324380]

約数ペア:

[(1, 28324380), (2, 14162190), (3, 9441460), (4, 7081095), (5, 5664876), (6, 4720730), (7, 4046340), (10, 2832438), (12, 2360365), (14, 2023170), (15, 1888292), (17, 1666140), (20, 1416219), (21, 1348780), (28, 1011585), (30, 944146), (34, 833070), (35, 809268), (42, 674390), (51, 555380), (60, 472073), (68, 416535), (70, 404634), (84, 337195), (85, 333228), (102, 277690), (105, 269756), (119, 238020), (140, 202317), (170, 166614), (204, 138845), (210, 134878), (238, 119010), (255, 111076), (340, 83307), (357, 79340), (420, 67439), (476, 59505), (510, 55538), (595, 47604), (714, 39670), (1020, 27769), (1190, 23802), (1428, 19835), (1785, 15868), (2380, 11901), (3570, 7934), (3967, 7140)]