2488750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:214

約数の個数: 40

約数和(自身を含む): 5117112

約数和(自身を除く): 2628362

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 181, 250, 275, 362, 550, 625, 905, 1250, 1375, 1810, 1991, 2750, 3982, 4525, 6875, 9050, 9955, 13750, 19910, 22625, 45250, 49775, 99550, 113125, 226250, 248875, 497750, 1244375, 2488750]

約数ペア:

[(1, 2488750), (2, 1244375), (5, 497750), (10, 248875), (11, 226250), (22, 113125), (25, 99550), (50, 49775), (55, 45250), (110, 22625), (125, 19910), (181, 13750), (250, 9955), (275, 9050), (362, 6875), (550, 4525), (625, 3982), (905, 2750), (1250, 1991), (1375, 1810)]