2889250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 6709248

約数和(自身を除く): 3819998

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 127, 130, 175, 182, 250, 254, 325, 350, 455, 635, 650, 875, 889, 910, 1270, 1625, 1651, 1750, 1778, 2275, 3175, 3250, 3302, 4445, 4550, 6350, 8255, 8890, 11375, 11557, 15875, 16510, 22225, 22750, 23114, 31750, 41275, 44450, 57785, 82550, 111125, 115570, 206375, 222250, 288925, 412750, 577850, 1444625, 2889250]

約数ペア:

[(1, 2889250), (2, 1444625), (5, 577850), (7, 412750), (10, 288925), (13, 222250), (14, 206375), (25, 115570), (26, 111125), (35, 82550), (50, 57785), (65, 44450), (70, 41275), (91, 31750), (125, 23114), (127, 22750), (130, 22225), (175, 16510), (182, 15875), (250, 11557), (254, 11375), (325, 8890), (350, 8255), (455, 6350), (635, 4550), (650, 4445), (875, 3302), (889, 3250), (910, 3175), (1270, 2275), (1625, 1778), (1651, 1750)]