131890360

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{9613}}^1$

素因数の和:9645

約数の個数: 64

約数和(自身を含む): 346104000

約数和(自身を除く): 214213640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 9613, 13720, 19226, 38452, 48065, 67291, 76904, 96130, 134582, 192260, 269164, 336455, 384520, 471037, 538328, 672910, 942074, 1345820, 1884148, 2355185, 2691640, 3297259, 3768296, 4710370, 6594518, 9420740, 13189036, 16486295, 18841480, 26378072, 32972590, 65945180, 131890360]

約数ペア:

[(1, 131890360), (2, 65945180), (4, 32972590), (5, 26378072), (7, 18841480), (8, 16486295), (10, 13189036), (14, 9420740), (20, 6594518), (28, 4710370), (35, 3768296), (40, 3297259), (49, 2691640), (56, 2355185), (70, 1884148), (98, 1345820), (140, 942074), (196, 672910), (245, 538328), (280, 471037), (343, 384520), (392, 336455), (490, 269164), (686, 192260), (980, 134582), (1372, 96130), (1715, 76904), (1960, 67291), (2744, 48065), (3430, 38452), (6860, 19226), (9613, 13720)]