1401490000

素因数分解:

$2^4\times 5^4\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:818

約数の個数: 100

約数和(自身を含む): 3412298340

約数和(自身を除く): 2010808340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 269, 400, 500, 521, 538, 625, 1000, 1042, 1076, 1250, 1345, 2000, 2084, 2152, 2500, 2605, 2690, 4168, 4304, 5000, 5210, 5380, 6725, 8336, 10000, 10420, 10760, 13025, 13450, 20840, 21520, 26050, 26900, 33625, 41680, 52100, 53800, 65125, 67250, 104200, 107600, 130250, 134500, 140149, 168125, 208400, 260500, 269000, 280298, 325625, 336250, 521000, 538000, 560596, 651250, 672500, 700745, 1042000, 1121192, 1302500, 1345000, 1401490, 2242384, 2605000, 2690000, 2802980, 3503725, 5210000, 5605960, 7007450, 11211920, 14014900, 17518625, 28029800, 35037250, 56059600, 70074500, 87593125, 140149000, 175186250, 280298000, 350372500, 700745000, 1401490000]

約数ペア:

[(1, 1401490000), (2, 700745000), (4, 350372500), (5, 280298000), (8, 175186250), (10, 140149000), (16, 87593125), (20, 70074500), (25, 56059600), (40, 35037250), (50, 28029800), (80, 17518625), (100, 14014900), (125, 11211920), (200, 7007450), (250, 5605960), (269, 5210000), (400, 3503725), (500, 2802980), (521, 2690000), (538, 2605000), (625, 2242384), (1000, 1401490), (1042, 1345000), (1076, 1302500), (1250, 1121192), (1345, 1042000), (2000, 700745), (2084, 672500), (2152, 651250), (2500, 560596), (2605, 538000), (2690, 521000), (4168, 336250), (4304, 325625), (5000, 280298), (5210, 269000), (5380, 260500), (6725, 208400), (8336, 168125), (10000, 140149), (10420, 134500), (10760, 130250), (13025, 107600), (13450, 104200), (20840, 67250), (21520, 65125), (26050, 53800), (26900, 52100), (33625, 41680)]