890120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:63

約数の個数: 96

約数和(自身を含む): 2652480

約数和(自身を除く): 1762360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 289, 308, 340, 374, 385, 440, 476, 578, 595, 616, 680, 748, 770, 935, 952, 1156, 1190, 1309, 1445, 1496, 1540, 1870, 2023, 2312, 2380, 2618, 2890, 3080, 3179, 3740, 4046, 4760, 5236, 5780, 6358, 6545, 7480, 8092, 10115, 10472, 11560, 12716, 13090, 15895, 16184, 20230, 22253, 25432, 26180, 31790, 40460, 44506, 52360, 63580, 80920, 89012, 111265, 127160, 178024, 222530, 445060, 890120]

約数ペア:

[(1, 890120), (2, 445060), (4, 222530), (5, 178024), (7, 127160), (8, 111265), (10, 89012), (11, 80920), (14, 63580), (17, 52360), (20, 44506), (22, 40460), (28, 31790), (34, 26180), (35, 25432), (40, 22253), (44, 20230), (55, 16184), (56, 15895), (68, 13090), (70, 12716), (77, 11560), (85, 10472), (88, 10115), (110, 8092), (119, 7480), (136, 6545), (140, 6358), (154, 5780), (170, 5236), (187, 4760), (220, 4046), (238, 3740), (280, 3179), (289, 3080), (308, 2890), (340, 2618), (374, 2380), (385, 2312), (440, 2023), (476, 1870), (578, 1540), (595, 1496), (616, 1445), (680, 1309), (748, 1190), (770, 1156), (935, 952)]