2158750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:190

約数の個数: 40

約数和(自身を含む): 4442328

約数和(自身を除く): 2283578

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 157, 250, 275, 314, 550, 625, 785, 1250, 1375, 1570, 1727, 2750, 3454, 3925, 6875, 7850, 8635, 13750, 17270, 19625, 39250, 43175, 86350, 98125, 196250, 215875, 431750, 1079375, 2158750]

約数ペア:

[(1, 2158750), (2, 1079375), (5, 431750), (10, 215875), (11, 196250), (22, 98125), (25, 86350), (50, 43175), (55, 39250), (110, 19625), (125, 17270), (157, 13750), (250, 8635), (275, 7850), (314, 6875), (550, 3925), (625, 3454), (785, 2750), (1250, 1727), (1375, 1570)]