2853340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 6955200

約数和(自身を除く): 4101860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 229, 356, 445, 458, 623, 890, 916, 1145, 1246, 1603, 1780, 2290, 2492, 3115, 3206, 4580, 6230, 6412, 8015, 12460, 16030, 20381, 32060, 40762, 81524, 101905, 142667, 203810, 285334, 407620, 570668, 713335, 1426670, 2853340]

約数ペア:

[(1, 2853340), (2, 1426670), (4, 713335), (5, 570668), (7, 407620), (10, 285334), (14, 203810), (20, 142667), (28, 101905), (35, 81524), (70, 40762), (89, 32060), (140, 20381), (178, 16030), (229, 12460), (356, 8015), (445, 6412), (458, 6230), (623, 4580), (890, 3206), (916, 3115), (1145, 2492), (1246, 2290), (1603, 1780)]