542900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 36

約数和(自身を含む): 1210860

約数和(自身を除く): 667960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 89, 100, 122, 178, 244, 305, 356, 445, 610, 890, 1220, 1525, 1780, 2225, 3050, 4450, 5429, 6100, 8900, 10858, 21716, 27145, 54290, 108580, 135725, 271450, 542900]

約数ペア:

[(1, 542900), (2, 271450), (4, 135725), (5, 108580), (10, 54290), (20, 27145), (25, 21716), (50, 10858), (61, 8900), (89, 6100), (100, 5429), (122, 4450), (178, 3050), (244, 2225), (305, 1780), (356, 1525), (445, 1220), (610, 890)]