345400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 881640

約数和(自身を除く): 536240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 157, 200, 220, 275, 314, 440, 550, 628, 785, 1100, 1256, 1570, 1727, 2200, 3140, 3454, 3925, 6280, 6908, 7850, 8635, 13816, 15700, 17270, 31400, 34540, 43175, 69080, 86350, 172700, 345400]

約数ペア:

[(1, 345400), (2, 172700), (4, 86350), (5, 69080), (8, 43175), (10, 34540), (11, 31400), (20, 17270), (22, 15700), (25, 13816), (40, 8635), (44, 7850), (50, 6908), (55, 6280), (88, 3925), (100, 3454), (110, 3140), (157, 2200), (200, 1727), (220, 1570), (275, 1256), (314, 1100), (440, 785), (550, 628)]