2018780450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{5189}}^1$

素因数の和:5483

約数の個数: 48

約数和(自身を含む): 3892250880

約数和(自身を除く): 1873470430

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 251, 310, 502, 775, 1255, 1550, 2510, 5189, 6275, 7781, 10378, 12550, 15562, 25945, 38905, 51890, 77810, 129725, 160859, 194525, 259450, 321718, 389050, 804295, 1302439, 1608590, 2604878, 4021475, 6512195, 8042950, 13024390, 32560975, 40375609, 65121950, 80751218, 201878045, 403756090, 1009390225, 2018780450]

約数ペア:

[(1, 2018780450), (2, 1009390225), (5, 403756090), (10, 201878045), (25, 80751218), (31, 65121950), (50, 40375609), (62, 32560975), (155, 13024390), (251, 8042950), (310, 6512195), (502, 4021475), (775, 2604878), (1255, 1608590), (1550, 1302439), (2510, 804295), (5189, 389050), (6275, 321718), (7781, 259450), (10378, 194525), (12550, 160859), (15562, 129725), (25945, 77810), (38905, 51890)]