269886680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6469}}^1$

素因数の和:6636

約数の個数: 64

約数和(自身を含む): 698760000

約数和(自身を除く): 428873320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 6469, 8344, 10430, 12938, 20860, 25876, 32345, 41720, 45283, 51752, 64690, 90566, 129380, 181132, 226415, 258760, 362264, 452830, 905660, 963881, 1811320, 1927762, 3855524, 4819405, 6747167, 7711048, 9638810, 13494334, 19277620, 26988668, 33735835, 38555240, 53977336, 67471670, 134943340, 269886680]

約数ペア:

[(1, 269886680), (2, 134943340), (4, 67471670), (5, 53977336), (7, 38555240), (8, 33735835), (10, 26988668), (14, 19277620), (20, 13494334), (28, 9638810), (35, 7711048), (40, 6747167), (56, 4819405), (70, 3855524), (140, 1927762), (149, 1811320), (280, 963881), (298, 905660), (596, 452830), (745, 362264), (1043, 258760), (1192, 226415), (1490, 181132), (2086, 129380), (2980, 90566), (4172, 64690), (5215, 51752), (5960, 45283), (6469, 41720), (8344, 32345), (10430, 25876), (12938, 20860)]