22910000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 100

約数和(自身を含む): 58106400

約数和(自身を除く): 35196400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 79, 80, 100, 116, 125, 145, 158, 200, 232, 250, 290, 316, 395, 400, 464, 500, 580, 625, 632, 725, 790, 1000, 1160, 1250, 1264, 1450, 1580, 1975, 2000, 2291, 2320, 2500, 2900, 3160, 3625, 3950, 4582, 5000, 5800, 6320, 7250, 7900, 9164, 9875, 10000, 11455, 11600, 14500, 15800, 18125, 18328, 19750, 22910, 29000, 31600, 36250, 36656, 39500, 45820, 49375, 57275, 58000, 72500, 79000, 91640, 98750, 114550, 145000, 158000, 183280, 197500, 229100, 286375, 290000, 395000, 458200, 572750, 790000, 916400, 1145500, 1431875, 2291000, 2863750, 4582000, 5727500, 11455000, 22910000]

約数ペア:

[(1, 22910000), (2, 11455000), (4, 5727500), (5, 4582000), (8, 2863750), (10, 2291000), (16, 1431875), (20, 1145500), (25, 916400), (29, 790000), (40, 572750), (50, 458200), (58, 395000), (79, 290000), (80, 286375), (100, 229100), (116, 197500), (125, 183280), (145, 158000), (158, 145000), (200, 114550), (232, 98750), (250, 91640), (290, 79000), (316, 72500), (395, 58000), (400, 57275), (464, 49375), (500, 45820), (580, 39500), (625, 36656), (632, 36250), (725, 31600), (790, 29000), (1000, 22910), (1160, 19750), (1250, 18328), (1264, 18125), (1450, 15800), (1580, 14500), (1975, 11600), (2000, 11455), (2291, 10000), (2320, 9875), (2500, 9164), (2900, 7900), (3160, 7250), (3625, 6320), (3950, 5800), (4582, 5000)]