8884700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 21654864

約数和(自身を除く): 12770164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 197, 205, 220, 275, 394, 410, 451, 550, 788, 820, 902, 985, 1025, 1100, 1804, 1970, 2050, 2167, 2255, 3940, 4100, 4334, 4510, 4925, 8077, 8668, 9020, 9850, 10835, 11275, 16154, 19700, 21670, 22550, 32308, 40385, 43340, 45100, 54175, 80770, 88847, 108350, 161540, 177694, 201925, 216700, 355388, 403850, 444235, 807700, 888470, 1776940, 2221175, 4442350, 8884700]

約数ペア:

[(1, 8884700), (2, 4442350), (4, 2221175), (5, 1776940), (10, 888470), (11, 807700), (20, 444235), (22, 403850), (25, 355388), (41, 216700), (44, 201925), (50, 177694), (55, 161540), (82, 108350), (100, 88847), (110, 80770), (164, 54175), (197, 45100), (205, 43340), (220, 40385), (275, 32308), (394, 22550), (410, 21670), (451, 19700), (550, 16154), (788, 11275), (820, 10835), (902, 9850), (985, 9020), (1025, 8668), (1100, 8077), (1804, 4925), (1970, 4510), (2050, 4334), (2167, 4100), (2255, 3940)]