839500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 1939392

約数和(自身を除く): 1099892

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 73, 92, 100, 115, 125, 146, 230, 250, 292, 365, 460, 500, 575, 730, 1150, 1460, 1679, 1825, 2300, 2875, 3358, 3650, 5750, 6716, 7300, 8395, 9125, 11500, 16790, 18250, 33580, 36500, 41975, 83950, 167900, 209875, 419750, 839500]

約数ペア:

[(1, 839500), (2, 419750), (4, 209875), (5, 167900), (10, 83950), (20, 41975), (23, 36500), (25, 33580), (46, 18250), (50, 16790), (73, 11500), (92, 9125), (100, 8395), (115, 7300), (125, 6716), (146, 5750), (230, 3650), (250, 3358), (292, 2875), (365, 2300), (460, 1825), (500, 1679), (575, 1460), (730, 1150)]