2107517020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{485603}}^1$

素因数の和:485650

約数の個数: 48

約数和(自身を含む): 5221214208

約数和(自身を除く): 3113697188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 485603, 971206, 1942412, 2428015, 3399221, 4856030, 6798442, 9712060, 13596884, 15053693, 16996105, 30107386, 33992210, 60214772, 67984420, 75268465, 105375851, 150536930, 210751702, 301073860, 421503404, 526879255, 1053758510, 2107517020]

約数ペア:

[(1, 2107517020), (2, 1053758510), (4, 526879255), (5, 421503404), (7, 301073860), (10, 210751702), (14, 150536930), (20, 105375851), (28, 75268465), (31, 67984420), (35, 60214772), (62, 33992210), (70, 30107386), (124, 16996105), (140, 15053693), (155, 13596884), (217, 9712060), (310, 6798442), (434, 4856030), (620, 3399221), (868, 2428015), (1085, 1942412), (2170, 971206), (4340, 485603)]