4500980

素因数分解:

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

素因数の和:560

約数の個数: 48

約数和(自身を含む): 10584000

約数和(自身を除く): 6083020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 499, 820, 902, 998, 1804, 1996, 2255, 2495, 4510, 4990, 5489, 9020, 9980, 10978, 20459, 21956, 27445, 40918, 54890, 81836, 102295, 109780, 204590, 225049, 409180, 450098, 900196, 1125245, 2250490, 4500980]

約数ペア:

[(1, 4500980), (2, 2250490), (4, 1125245), (5, 900196), (10, 450098), (11, 409180), (20, 225049), (22, 204590), (41, 109780), (44, 102295), (55, 81836), (82, 54890), (110, 40918), (164, 27445), (205, 21956), (220, 20459), (410, 10978), (451, 9980), (499, 9020), (820, 5489), (902, 4990), (998, 4510), (1804, 2495), (1996, 2255)]