420706084

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 788691456

約数和(自身を除く): 367985372

約数列:

[1, 2, 4, 31, 41, 62, 82, 83, 124, 164, 166, 332, 997, 1271, 1994, 2542, 2573, 3403, 3988, 5084, 5146, 6806, 10292, 13612, 30907, 40877, 61814, 81754, 82751, 105493, 123628, 163508, 165502, 210986, 331004, 421972, 1267187, 2534374, 2565281, 3392791, 5068748, 5130562, 6785582, 10261124, 13571164, 105176521, 210353042, 420706084]

約数ペア:

[(1, 420706084), (2, 210353042), (4, 105176521), (31, 13571164), (41, 10261124), (62, 6785582), (82, 5130562), (83, 5068748), (124, 3392791), (164, 2565281), (166, 2534374), (332, 1267187), (997, 421972), (1271, 331004), (1994, 210986), (2542, 165502), (2573, 163508), (3403, 123628), (3988, 105493), (5084, 82751), (5146, 81754), (6806, 61814), (10292, 40877), (13612, 30907)]