9913000

素因数分解:

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

素因数の和:475

約数の個数: 64

約数和(自身を含む): 24261120

約数和(自身を除く): 14348120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 431, 460, 500, 575, 862, 920, 1000, 1150, 1724, 2155, 2300, 2875, 3448, 4310, 4600, 5750, 8620, 9913, 10775, 11500, 17240, 19826, 21550, 23000, 39652, 43100, 49565, 53875, 79304, 86200, 99130, 107750, 198260, 215500, 247825, 396520, 431000, 495650, 991300, 1239125, 1982600, 2478250, 4956500, 9913000]

約数ペア:

[(1, 9913000), (2, 4956500), (4, 2478250), (5, 1982600), (8, 1239125), (10, 991300), (20, 495650), (23, 431000), (25, 396520), (40, 247825), (46, 215500), (50, 198260), (92, 107750), (100, 99130), (115, 86200), (125, 79304), (184, 53875), (200, 49565), (230, 43100), (250, 39652), (431, 23000), (460, 21550), (500, 19826), (575, 17240), (862, 11500), (920, 10775), (1000, 9913), (1150, 8620), (1724, 5750), (2155, 4600), (2300, 4310), (2875, 3448)]