310080290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{76943}}^1$

素因数の和:76994

約数の個数: 32

約数和(自身を含む): 620476416

約数和(自身を除く): 310396126

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 76943, 153886, 384715, 769430, 1000259, 2000518, 2385233, 4770466, 5001295, 10002590, 11926165, 23852330, 31008029, 62016058, 155040145, 310080290]

約数ペア:

[(1, 310080290), (2, 155040145), (5, 62016058), (10, 31008029), (13, 23852330), (26, 11926165), (31, 10002590), (62, 5001295), (65, 4770466), (130, 2385233), (155, 2000518), (310, 1000259), (403, 769430), (806, 384715), (2015, 153886), (4030, 76943)]