389820420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{196879}}^1$

素因数の和:196905

約数の個数: 72

約数和(自身を含む): 1289957760

約数和(自身を除く): 900137340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 196879, 393758, 590637, 787516, 984395, 1181274, 1771911, 1968790, 2165669, 2362548, 2953185, 3543822, 3937580, 4331338, 5906370, 6497007, 7087644, 8662676, 8859555, 10828345, 11812740, 12994014, 17719110, 19491021, 21656690, 25988028, 32485035, 35438220, 38982042, 43313380, 64970070, 77964084, 97455105, 129940140, 194910210, 389820420]

約数ペア:

[(1, 389820420), (2, 194910210), (3, 129940140), (4, 97455105), (5, 77964084), (6, 64970070), (9, 43313380), (10, 38982042), (11, 35438220), (12, 32485035), (15, 25988028), (18, 21656690), (20, 19491021), (22, 17719110), (30, 12994014), (33, 11812740), (36, 10828345), (44, 8859555), (45, 8662676), (55, 7087644), (60, 6497007), (66, 5906370), (90, 4331338), (99, 3937580), (110, 3543822), (132, 2953185), (165, 2362548), (180, 2165669), (198, 1968790), (220, 1771911), (330, 1181274), (396, 984395), (495, 787516), (660, 590637), (990, 393758), (1980, 196879)]