311234420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71713}}^1$

素因数の和:71760

約数の個数: 48

約数和(自身を含む): 771068928

約数和(自身を除く): 459834508

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, 71713, 143426, 286852, 358565, 501991, 717130, 1003982, 1434260, 2007964, 2223103, 2509955, 4446206, 5019910, 8892412, 10039820, 11115515, 15561721, 22231030, 31123442, 44462060, 62246884, 77808605, 155617210, 311234420]

約数ペア:

[(1, 311234420), (2, 155617210), (4, 77808605), (5, 62246884), (7, 44462060), (10, 31123442), (14, 22231030), (20, 15561721), (28, 11115515), (31, 10039820), (35, 8892412), (62, 5019910), (70, 4446206), (124, 2509955), (140, 2223103), (155, 2007964), (217, 1434260), (310, 1003982), (434, 717130), (620, 501991), (868, 358565), (1085, 286852), (2170, 143426), (4340, 71713)]