1900888536250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{138246439}}^1$

素因数の和:138246472

約数の個数: 40

約数和(自身を含む): 3886936907040

約数和(自身を除く): 1986048370790

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2750, 6875, 13750, 138246439, 276492878, 691232195, 1382464390, 1520710829, 3041421658, 3456160975, 6912321950, 7603554145, 15207108290, 17280804875, 34561609750, 38017770725, 76035541450, 86404024375, 172808048750, 190088853625, 380177707250, 950444268125, 1900888536250]

約数ペア:

[(1, 1900888536250), (2, 950444268125), (5, 380177707250), (10, 190088853625), (11, 172808048750), (22, 86404024375), (25, 76035541450), (50, 38017770725), (55, 34561609750), (110, 17280804875), (125, 15207108290), (250, 7603554145), (275, 6912321950), (550, 3456160975), (625, 3041421658), (1250, 1520710829), (1375, 1382464390), (2750, 691232195), (6875, 276492878), (13750, 138246439)]