67808440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{242173}}^1$

素因数の和:242191

約数の個数: 32

約数和(自身を含む): 174365280

約数和(自身を除く): 106556840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 242173, 484346, 968692, 1210865, 1695211, 1937384, 2421730, 3390422, 4843460, 6780844, 8476055, 9686920, 13561688, 16952110, 33904220, 67808440]

約数ペア:

[(1, 67808440), (2, 33904220), (4, 16952110), (5, 13561688), (7, 9686920), (8, 8476055), (10, 6780844), (14, 4843460), (20, 3390422), (28, 2421730), (35, 1937384), (40, 1695211), (56, 1210865), (70, 968692), (140, 484346), (280, 242173)]