29131620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 94080000

約数和(自身を除く): 64948380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 499, 556, 695, 834, 973, 998, 1390, 1497, 1668, 1946, 1996, 2085, 2495, 2780, 2919, 2994, 3493, 3892, 4170, 4865, 4990, 5838, 5988, 6986, 7485, 8340, 9730, 9980, 10479, 11676, 13972, 14595, 14970, 17465, 19460, 20958, 29190, 29940, 34930, 41916, 52395, 58380, 69361, 69860, 104790, 138722, 208083, 209580, 277444, 346805, 416166, 485527, 693610, 832332, 971054, 1040415, 1387220, 1456581, 1942108, 2080830, 2427635, 2913162, 4161660, 4855270, 5826324, 7282905, 9710540, 14565810, 29131620]

約数ペア:

[(1, 29131620), (2, 14565810), (3, 9710540), (4, 7282905), (5, 5826324), (6, 4855270), (7, 4161660), (10, 2913162), (12, 2427635), (14, 2080830), (15, 1942108), (20, 1456581), (21, 1387220), (28, 1040415), (30, 971054), (35, 832332), (42, 693610), (60, 485527), (70, 416166), (84, 346805), (105, 277444), (139, 209580), (140, 208083), (210, 138722), (278, 104790), (417, 69860), (420, 69361), (499, 58380), (556, 52395), (695, 41916), (834, 34930), (973, 29940), (998, 29190), (1390, 20958), (1497, 19460), (1668, 17465), (1946, 14970), (1996, 14595), (2085, 13972), (2495, 11676), (2780, 10479), (2919, 9980), (2994, 9730), (3493, 8340), (3892, 7485), (4170, 6986), (4865, 5988), (4990, 5838)]