2015650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 4624704

約数和(自身を除く): 2609054

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 443, 455, 650, 886, 910, 2215, 2275, 3101, 4430, 4550, 5759, 6202, 11075, 11518, 15505, 22150, 28795, 31010, 40313, 57590, 77525, 80626, 143975, 155050, 201565, 287950, 403130, 1007825, 2015650]

約数ペア:

[(1, 2015650), (2, 1007825), (5, 403130), (7, 287950), (10, 201565), (13, 155050), (14, 143975), (25, 80626), (26, 77525), (35, 57590), (50, 40313), (65, 31010), (70, 28795), (91, 22150), (130, 15505), (175, 11518), (182, 11075), (325, 6202), (350, 5759), (443, 4550), (455, 4430), (650, 3101), (886, 2275), (910, 2215)]