220213420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82787}}^1$

素因数の和:82822

約数の個数: 48

約数和(自身を含む): 556335360

約数和(自身を除く): 336121940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 82787, 165574, 331148, 413935, 579509, 827870, 1159018, 1572953, 1655740, 2318036, 2897545, 3145906, 5795090, 6291812, 7864765, 11010671, 11590180, 15729530, 22021342, 31459060, 44042684, 55053355, 110106710, 220213420]

約数ペア:

[(1, 220213420), (2, 110106710), (4, 55053355), (5, 44042684), (7, 31459060), (10, 22021342), (14, 15729530), (19, 11590180), (20, 11010671), (28, 7864765), (35, 6291812), (38, 5795090), (70, 3145906), (76, 2897545), (95, 2318036), (133, 1655740), (140, 1572953), (190, 1159018), (266, 827870), (380, 579509), (532, 413935), (665, 331148), (1330, 165574), (2660, 82787)]