204414400

素因数分解:

$2^6\times 5^2\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:782

約数の個数: 84

約数和(自身を含む): 505983240

約数和(自身を除く): 301568840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 251, 320, 400, 502, 509, 800, 1004, 1018, 1255, 1600, 2008, 2036, 2510, 2545, 4016, 4072, 5020, 5090, 6275, 8032, 8144, 10040, 10180, 12550, 12725, 16064, 16288, 20080, 20360, 25100, 25450, 32576, 40160, 40720, 50200, 50900, 80320, 81440, 100400, 101800, 127759, 162880, 200800, 203600, 255518, 401600, 407200, 511036, 638795, 814400, 1022072, 1277590, 2044144, 2555180, 3193975, 4088288, 5110360, 6387950, 8176576, 10220720, 12775900, 20441440, 25551800, 40882880, 51103600, 102207200, 204414400]

約数ペア:

[(1, 204414400), (2, 102207200), (4, 51103600), (5, 40882880), (8, 25551800), (10, 20441440), (16, 12775900), (20, 10220720), (25, 8176576), (32, 6387950), (40, 5110360), (50, 4088288), (64, 3193975), (80, 2555180), (100, 2044144), (160, 1277590), (200, 1022072), (251, 814400), (320, 638795), (400, 511036), (502, 407200), (509, 401600), (800, 255518), (1004, 203600), (1018, 200800), (1255, 162880), (1600, 127759), (2008, 101800), (2036, 100400), (2510, 81440), (2545, 80320), (4016, 50900), (4072, 50200), (5020, 40720), (5090, 40160), (6275, 32576), (8032, 25450), (8144, 25100), (10040, 20360), (10180, 20080), (12550, 16288), (12725, 16064)]