1021000420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{3943}}^1$

素因数の和:4081

約数の個数: 72

約数和(自身を含む): 2379367872

約数和(自身を除く): 1358367452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 535, 605, 1070, 1177, 1210, 2140, 2354, 2420, 3943, 4708, 5885, 7886, 11770, 12947, 15772, 19715, 23540, 25894, 39430, 43373, 51788, 64735, 78860, 86746, 129470, 173492, 216865, 258940, 421901, 433730, 477103, 843802, 867460, 954206, 1687604, 1908412, 2109505, 2385515, 4219010, 4640911, 4771030, 8438020, 9281822, 9542060, 18563644, 23204555, 46409110, 51050021, 92818220, 102100042, 204200084, 255250105, 510500210, 1021000420]

約数ペア:

[(1, 1021000420), (2, 510500210), (4, 255250105), (5, 204200084), (10, 102100042), (11, 92818220), (20, 51050021), (22, 46409110), (44, 23204555), (55, 18563644), (107, 9542060), (110, 9281822), (121, 8438020), (214, 4771030), (220, 4640911), (242, 4219010), (428, 2385515), (484, 2109505), (535, 1908412), (605, 1687604), (1070, 954206), (1177, 867460), (1210, 843802), (2140, 477103), (2354, 433730), (2420, 421901), (3943, 258940), (4708, 216865), (5885, 173492), (7886, 129470), (11770, 86746), (12947, 78860), (15772, 64735), (19715, 51788), (23540, 43373), (25894, 39430)]