7315220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 17188416

約数和(自身を除く): 9873196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 811, 820, 902, 1622, 1804, 2255, 3244, 4055, 4510, 8110, 8921, 9020, 16220, 17842, 33251, 35684, 44605, 66502, 89210, 133004, 166255, 178420, 332510, 365761, 665020, 731522, 1463044, 1828805, 3657610, 7315220]

約数ペア:

[(1, 7315220), (2, 3657610), (4, 1828805), (5, 1463044), (10, 731522), (11, 665020), (20, 365761), (22, 332510), (41, 178420), (44, 166255), (55, 133004), (82, 89210), (110, 66502), (164, 44605), (205, 35684), (220, 33251), (410, 17842), (451, 16220), (811, 9020), (820, 8921), (902, 8110), (1622, 4510), (1804, 4055), (2255, 3244)]