86486680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{619}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 223200000

約数和(自身を除く): 136713320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 619, 998, 1238, 1996, 2476, 2495, 3095, 3493, 3992, 4333, 4952, 4990, 6190, 6986, 8666, 9980, 12380, 13972, 17332, 17465, 19960, 21665, 24760, 27944, 34664, 34930, 43330, 69860, 86660, 139720, 173320, 308881, 617762, 1235524, 1544405, 2162167, 2471048, 3088810, 4324334, 6177620, 8648668, 10810835, 12355240, 17297336, 21621670, 43243340, 86486680]

約数ペア:

[(1, 86486680), (2, 43243340), (4, 21621670), (5, 17297336), (7, 12355240), (8, 10810835), (10, 8648668), (14, 6177620), (20, 4324334), (28, 3088810), (35, 2471048), (40, 2162167), (56, 1544405), (70, 1235524), (140, 617762), (280, 308881), (499, 173320), (619, 139720), (998, 86660), (1238, 69860), (1996, 43330), (2476, 34930), (2495, 34664), (3095, 27944), (3493, 24760), (3992, 21665), (4333, 19960), (4952, 17465), (4990, 17332), (6190, 13972), (6986, 12380), (8666, 9980)]