8509340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 21929040

約数和(自身を除く): 13419700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 457, 490, 532, 665, 914, 931, 980, 1330, 1828, 1862, 2285, 2660, 3199, 3724, 4570, 4655, 6398, 8683, 9140, 9310, 12796, 15995, 17366, 18620, 22393, 31990, 34732, 43415, 44786, 60781, 63980, 86830, 89572, 111965, 121562, 173660, 223930, 243124, 303905, 425467, 447860, 607810, 850934, 1215620, 1701868, 2127335, 4254670, 8509340]

約数ペア:

[(1, 8509340), (2, 4254670), (4, 2127335), (5, 1701868), (7, 1215620), (10, 850934), (14, 607810), (19, 447860), (20, 425467), (28, 303905), (35, 243124), (38, 223930), (49, 173660), (70, 121562), (76, 111965), (95, 89572), (98, 86830), (133, 63980), (140, 60781), (190, 44786), (196, 43415), (245, 34732), (266, 31990), (380, 22393), (457, 18620), (490, 17366), (532, 15995), (665, 12796), (914, 9310), (931, 9140), (980, 8683), (1330, 6398), (1828, 4655), (1862, 4570), (2285, 3724), (2660, 3199)]