1220456600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{554753}}^1$

素因数の和:554780

約数の個数: 48

約数和(自身を含む): 3095527320

約数和(自身を除く): 1875070720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 554753, 1109506, 2219012, 2773765, 4438024, 5547530, 6102283, 11095060, 12204566, 13868825, 22190120, 24409132, 27737650, 30511415, 48818264, 55475300, 61022830, 110950600, 122045660, 152557075, 244091320, 305114150, 610228300, 1220456600]

約数ペア:

[(1, 1220456600), (2, 610228300), (4, 305114150), (5, 244091320), (8, 152557075), (10, 122045660), (11, 110950600), (20, 61022830), (22, 55475300), (25, 48818264), (40, 30511415), (44, 27737650), (50, 24409132), (55, 22190120), (88, 13868825), (100, 12204566), (110, 11095060), (200, 6102283), (220, 5547530), (275, 4438024), (440, 2773765), (550, 2219012), (1100, 1109506), (2200, 554753)]