171711260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{13781}}^1$

素因数の和:13886

約数の個数: 48

約数和(自身を含む): 416767680

約数和(自身を除く): 245056420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 13781, 27562, 55124, 68905, 96467, 137810, 192934, 275620, 385868, 482335, 964670, 1226509, 1929340, 2453018, 4906036, 6132545, 8585563, 12265090, 17171126, 24530180, 34342252, 42927815, 85855630, 171711260]

約数ペア:

[(1, 171711260), (2, 85855630), (4, 42927815), (5, 34342252), (7, 24530180), (10, 17171126), (14, 12265090), (20, 8585563), (28, 6132545), (35, 4906036), (70, 2453018), (89, 1929340), (140, 1226509), (178, 964670), (356, 482335), (445, 385868), (623, 275620), (890, 192934), (1246, 137810), (1780, 96467), (2492, 68905), (3115, 55124), (6230, 27562), (12460, 13781)]