390830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 48

約数和(自身を含む): 861840

約数和(自身を除く): 471010

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 121, 170, 187, 190, 209, 242, 323, 374, 418, 605, 646, 935, 1045, 1210, 1615, 1870, 2057, 2090, 2299, 3230, 3553, 4114, 4598, 7106, 10285, 11495, 17765, 20570, 22990, 35530, 39083, 78166, 195415, 390830]

約数ペア:

[(1, 390830), (2, 195415), (5, 78166), (10, 39083), (11, 35530), (17, 22990), (19, 20570), (22, 17765), (34, 11495), (38, 10285), (55, 7106), (85, 4598), (95, 4114), (110, 3553), (121, 3230), (170, 2299), (187, 2090), (190, 2057), (209, 1870), (242, 1615), (323, 1210), (374, 1045), (418, 935), (605, 646)]