289419620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{3137}}^1$

素因数の和:3812

約数の個数: 48

約数和(自身を含む): 695882880

約数和(自身を除く): 406463260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2636, 3137, 3295, 4613, 6274, 6590, 9226, 12548, 13180, 15685, 18452, 21959, 23065, 31370, 43918, 46130, 62740, 87836, 92260, 109795, 219590, 439180, 2067283, 4134566, 8269132, 10336415, 14470981, 20672830, 28941962, 41345660, 57883924, 72354905, 144709810, 289419620]

約数ペア:

[(1, 289419620), (2, 144709810), (4, 72354905), (5, 57883924), (7, 41345660), (10, 28941962), (14, 20672830), (20, 14470981), (28, 10336415), (35, 8269132), (70, 4134566), (140, 2067283), (659, 439180), (1318, 219590), (2636, 109795), (3137, 92260), (3295, 87836), (4613, 62740), (6274, 46130), (6590, 43918), (9226, 31370), (12548, 23065), (13180, 21959), (15685, 18452)]