1982600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 4821120

約数和(自身を除く): 2838520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 431, 460, 575, 862, 920, 1150, 1724, 2155, 2300, 3448, 4310, 4600, 8620, 9913, 10775, 17240, 19826, 21550, 39652, 43100, 49565, 79304, 86200, 99130, 198260, 247825, 396520, 495650, 991300, 1982600]

約数ペア:

[(1, 1982600), (2, 991300), (4, 495650), (5, 396520), (8, 247825), (10, 198260), (20, 99130), (23, 86200), (25, 79304), (40, 49565), (46, 43100), (50, 39652), (92, 21550), (100, 19826), (115, 17240), (184, 10775), (200, 9913), (230, 8620), (431, 4600), (460, 4310), (575, 3448), (862, 2300), (920, 2155), (1150, 1724)]