221490280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29611}}^1$

素因数の和:29650

約数の個数: 64

約数和(自身を含む): 575657280

約数和(自身を除く): 354167000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 29611, 59222, 118444, 148055, 236888, 296110, 325721, 503387, 592220, 651442, 1006774, 1184440, 1302884, 1628605, 2013548, 2516935, 2605768, 3257210, 4027096, 5033870, 5537257, 6514420, 10067740, 11074514, 13028840, 20135480, 22149028, 27686285, 44298056, 55372570, 110745140, 221490280]

約数ペア:

[(1, 221490280), (2, 110745140), (4, 55372570), (5, 44298056), (8, 27686285), (10, 22149028), (11, 20135480), (17, 13028840), (20, 11074514), (22, 10067740), (34, 6514420), (40, 5537257), (44, 5033870), (55, 4027096), (68, 3257210), (85, 2605768), (88, 2516935), (110, 2013548), (136, 1628605), (170, 1302884), (187, 1184440), (220, 1006774), (340, 651442), (374, 592220), (440, 503387), (680, 325721), (748, 296110), (935, 236888), (1496, 148055), (1870, 118444), (3740, 59222), (7480, 29611)]