22504900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 54684000

約数和(自身を除く): 32179100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 499, 550, 820, 902, 998, 1025, 1100, 1804, 1996, 2050, 2255, 2495, 4100, 4510, 4990, 5489, 9020, 9980, 10978, 11275, 12475, 20459, 21956, 22550, 24950, 27445, 40918, 45100, 49900, 54890, 81836, 102295, 109780, 137225, 204590, 225049, 274450, 409180, 450098, 511475, 548900, 900196, 1022950, 1125245, 2045900, 2250490, 4500980, 5626225, 11252450, 22504900]

約数ペア:

[(1, 22504900), (2, 11252450), (4, 5626225), (5, 4500980), (10, 2250490), (11, 2045900), (20, 1125245), (22, 1022950), (25, 900196), (41, 548900), (44, 511475), (50, 450098), (55, 409180), (82, 274450), (100, 225049), (110, 204590), (164, 137225), (205, 109780), (220, 102295), (275, 81836), (410, 54890), (451, 49900), (499, 45100), (550, 40918), (820, 27445), (902, 24950), (998, 22550), (1025, 21956), (1100, 20459), (1804, 12475), (1996, 11275), (2050, 10978), (2255, 9980), (2495, 9020), (4100, 5489), (4510, 4990)]