331319660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{6781}}^1$

素因数の和:7146

約数の個数: 48

約数和(自身を含む): 797563200

約数和(自身を除く): 466243540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1396, 1745, 2443, 3490, 4886, 6781, 6980, 9772, 12215, 13562, 24430, 27124, 33905, 47467, 48860, 67810, 94934, 135620, 189868, 237335, 474670, 949340, 2366569, 4733138, 9466276, 11832845, 16565983, 23665690, 33131966, 47331380, 66263932, 82829915, 165659830, 331319660]

約数ペア:

[(1, 331319660), (2, 165659830), (4, 82829915), (5, 66263932), (7, 47331380), (10, 33131966), (14, 23665690), (20, 16565983), (28, 11832845), (35, 9466276), (70, 4733138), (140, 2366569), (349, 949340), (698, 474670), (1396, 237335), (1745, 189868), (2443, 135620), (3490, 94934), (4886, 67810), (6781, 48860), (6980, 47467), (9772, 33905), (12215, 27124), (13562, 24430)]