1392500

素因数分解:

$2^2\times 5^4\times {\mathrm{557}}^1$

素因数の和:581

約数の個数: 30

約数和(自身を含む): 3050586

約数和(自身を除く): 1658086

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 557, 625, 1114, 1250, 2228, 2500, 2785, 5570, 11140, 13925, 27850, 55700, 69625, 139250, 278500, 348125, 696250, 1392500]

約数ペア:

[(1, 1392500), (2, 696250), (4, 348125), (5, 278500), (10, 139250), (20, 69625), (25, 55700), (50, 27850), (100, 13925), (125, 11140), (250, 5570), (500, 2785), (557, 2500), (625, 2228), (1114, 1250)]