5438500

素因数分解:

$2^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 12121200

約数和(自身を除く): 6682700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 149, 250, 292, 298, 365, 500, 596, 730, 745, 1460, 1490, 1825, 2980, 3650, 3725, 7300, 7450, 9125, 10877, 14900, 18250, 18625, 21754, 36500, 37250, 43508, 54385, 74500, 108770, 217540, 271925, 543850, 1087700, 1359625, 2719250, 5438500]

約数ペア:

[(1, 5438500), (2, 2719250), (4, 1359625), (5, 1087700), (10, 543850), (20, 271925), (25, 217540), (50, 108770), (73, 74500), (100, 54385), (125, 43508), (146, 37250), (149, 36500), (250, 21754), (292, 18625), (298, 18250), (365, 14900), (500, 10877), (596, 9125), (730, 7450), (745, 7300), (1460, 3725), (1490, 3650), (1825, 2980)]