138305720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2729}}^1$

素因数の和:2928

約数の個数: 64

約数和(自身を含む): 357739200

約数和(自身を除く): 219433480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1448, 1810, 2534, 2729, 3620, 5068, 5458, 6335, 7240, 10136, 10916, 12670, 13645, 19103, 21832, 25340, 27290, 38206, 50680, 54580, 76412, 95515, 109160, 152824, 191030, 382060, 493949, 764120, 987898, 1975796, 2469745, 3457643, 3951592, 4939490, 6915286, 9878980, 13830572, 17288215, 19757960, 27661144, 34576430, 69152860, 138305720]

約数ペア:

[(1, 138305720), (2, 69152860), (4, 34576430), (5, 27661144), (7, 19757960), (8, 17288215), (10, 13830572), (14, 9878980), (20, 6915286), (28, 4939490), (35, 3951592), (40, 3457643), (56, 2469745), (70, 1975796), (140, 987898), (181, 764120), (280, 493949), (362, 382060), (724, 191030), (905, 152824), (1267, 109160), (1448, 95515), (1810, 76412), (2534, 54580), (2729, 50680), (3620, 38206), (5068, 27290), (5458, 25340), (6335, 21832), (7240, 19103), (10136, 13645), (10916, 12670)]