13727140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 33433344

約数和(自身を除く): 19706204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1381, 1420, 1988, 2485, 2762, 4970, 5524, 6905, 9667, 9940, 13810, 19334, 27620, 38668, 48335, 96670, 98051, 193340, 196102, 392204, 490255, 686357, 980510, 1372714, 1961020, 2745428, 3431785, 6863570, 13727140]

約数ペア:

[(1, 13727140), (2, 6863570), (4, 3431785), (5, 2745428), (7, 1961020), (10, 1372714), (14, 980510), (20, 686357), (28, 490255), (35, 392204), (70, 196102), (71, 193340), (140, 98051), (142, 96670), (284, 48335), (355, 38668), (497, 27620), (710, 19334), (994, 13810), (1381, 9940), (1420, 9667), (1988, 6905), (2485, 5524), (2762, 4970)]