2019402500

素因数分解:

$2^2\times 5^4\times {\mathrm{653}}^1\times {\mathrm{1237}}^1$

素因数の和:1914

約数の個数: 60

約数和(自身を含む): 4426367484

約数和(自身を除く): 2406964984

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 653, 1237, 1250, 1306, 2474, 2500, 2612, 3265, 4948, 6185, 6530, 12370, 13060, 16325, 24740, 30925, 32650, 61850, 65300, 81625, 123700, 154625, 163250, 309250, 326500, 408125, 618500, 773125, 807761, 816250, 1546250, 1615522, 1632500, 3092500, 3231044, 4038805, 8077610, 16155220, 20194025, 40388050, 80776100, 100970125, 201940250, 403880500, 504850625, 1009701250, 2019402500]

約数ペア:

[(1, 2019402500), (2, 1009701250), (4, 504850625), (5, 403880500), (10, 201940250), (20, 100970125), (25, 80776100), (50, 40388050), (100, 20194025), (125, 16155220), (250, 8077610), (500, 4038805), (625, 3231044), (653, 3092500), (1237, 1632500), (1250, 1615522), (1306, 1546250), (2474, 816250), (2500, 807761), (2612, 773125), (3265, 618500), (4948, 408125), (6185, 326500), (6530, 309250), (12370, 163250), (13060, 154625), (16325, 123700), (24740, 81625), (30925, 65300), (32650, 61850)]