406600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 1004400

約数和(自身を除く): 597800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 107, 152, 190, 200, 214, 380, 428, 475, 535, 760, 856, 950, 1070, 1900, 2033, 2140, 2675, 3800, 4066, 4280, 5350, 8132, 10165, 10700, 16264, 20330, 21400, 40660, 50825, 81320, 101650, 203300, 406600]

約数ペア:

[(1, 406600), (2, 203300), (4, 101650), (5, 81320), (8, 50825), (10, 40660), (19, 21400), (20, 20330), (25, 16264), (38, 10700), (40, 10165), (50, 8132), (76, 5350), (95, 4280), (100, 4066), (107, 3800), (152, 2675), (190, 2140), (200, 2033), (214, 1900), (380, 1070), (428, 950), (475, 856), (535, 760)]