2042900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:704

約数の個数: 36

約数和(自身を含む): 4583040

約数和(自身を除く): 2540140

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 659, 775, 1318, 1550, 2636, 3100, 3295, 6590, 13180, 16475, 20429, 32950, 40858, 65900, 81716, 102145, 204290, 408580, 510725, 1021450, 2042900]

約数ペア:

[(1, 2042900), (2, 1021450), (4, 510725), (5, 408580), (10, 204290), (20, 102145), (25, 81716), (31, 65900), (50, 40858), (62, 32950), (100, 20429), (124, 16475), (155, 13180), (310, 6590), (620, 3295), (659, 3100), (775, 2636), (1318, 1550)]