323900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 729120

約数和(自身を除く): 405220

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 79, 82, 100, 158, 164, 205, 316, 395, 410, 790, 820, 1025, 1580, 1975, 2050, 3239, 3950, 4100, 6478, 7900, 12956, 16195, 32390, 64780, 80975, 161950, 323900]

約数ペア:

[(1, 323900), (2, 161950), (4, 80975), (5, 64780), (10, 32390), (20, 16195), (25, 12956), (41, 7900), (50, 6478), (79, 4100), (82, 3950), (100, 3239), (158, 2050), (164, 1975), (205, 1580), (316, 1025), (395, 820), (410, 790)]