6425500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 14309568

約数和(自身を除く): 7884068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 181, 250, 284, 355, 362, 500, 710, 724, 905, 1420, 1775, 1810, 3550, 3620, 4525, 7100, 8875, 9050, 12851, 17750, 18100, 22625, 25702, 35500, 45250, 51404, 64255, 90500, 128510, 257020, 321275, 642550, 1285100, 1606375, 3212750, 6425500]

約数ペア:

[(1, 6425500), (2, 3212750), (4, 1606375), (5, 1285100), (10, 642550), (20, 321275), (25, 257020), (50, 128510), (71, 90500), (100, 64255), (125, 51404), (142, 45250), (181, 35500), (250, 25702), (284, 22625), (355, 18100), (362, 17750), (500, 12851), (710, 9050), (724, 8875), (905, 7100), (1420, 4525), (1775, 3620), (1810, 3550)]