422818.0000000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 80

約数和(自身を含む): 15958800

約数和(自身を除く): 9636800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 109, 116, 125, 145, 200, 218, 232, 250, 290, 400, 436, 464, 500, 545, 580, 725, 872, 1000, 1090, 1160, 1450, 1744, 2000, 2180, 2320, 2725, 2900, 3161, 3625, 4360, 5450, 5800, 6322, 7250, 8720, 10900, 11600, 12644, 13625, 14500, 15805, 21800, 25288, 27250, 29000, 31610, 43600, 50576, 54500, 58000, 63220, 79025, 109000, 126440, 158050, 218000, 252880, 316100, 395125, 632200, 790250, 1264400, 1580500, 3161000, 6322000]

約数ペア:

[(1, 6322000), (2, 3161000), (4, 1580500), (5, 1264400), (8, 790250), (10, 632200), (16, 395125), (20, 316100), (25, 252880), (29, 218000), (40, 158050), (50, 126440), (58, 109000), (80, 79025), (100, 63220), (109, 58000), (116, 54500), (125, 50576), (145, 43600), (200, 31610), (218, 29000), (232, 27250), (250, 25288), (290, 21800), (400, 15805), (436, 14500), (464, 13625), (500, 12644), (545, 11600), (580, 10900), (725, 8720), (872, 7250), (1000, 6322), (1090, 5800), (1160, 5450), (1450, 4360), (1744, 3625), (2000, 3161), (2180, 2900), (2320, 2725)]