420912156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{3709}}^1$

素因数の和:3923

約数の個数: 72

約数和(自身を含む): 1148705040

約数和(自身を除く): 727792884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 193, 196, 294, 386, 579, 588, 772, 1158, 1351, 2316, 2702, 3709, 4053, 5404, 7418, 8106, 9457, 11127, 14836, 16212, 18914, 22254, 25963, 28371, 37828, 44508, 51926, 56742, 77889, 103852, 113484, 155778, 181741, 311556, 363482, 545223, 715837, 726964, 1090446, 1431674, 2147511, 2180892, 2863348, 4295022, 5010859, 8590044, 10021718, 15032577, 20043436, 30065154, 35076013, 60130308, 70152026, 105228039, 140304052, 210456078, 420912156]

約数ペア:

[(1, 420912156), (2, 210456078), (3, 140304052), (4, 105228039), (6, 70152026), (7, 60130308), (12, 35076013), (14, 30065154), (21, 20043436), (28, 15032577), (42, 10021718), (49, 8590044), (84, 5010859), (98, 4295022), (147, 2863348), (193, 2180892), (196, 2147511), (294, 1431674), (386, 1090446), (579, 726964), (588, 715837), (772, 545223), (1158, 363482), (1351, 311556), (2316, 181741), (2702, 155778), (3709, 113484), (4053, 103852), (5404, 77889), (7418, 56742), (8106, 51926), (9457, 44508), (11127, 37828), (14836, 28371), (16212, 25963), (18914, 22254)]