1905997380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4538089}}^1$

素因数の和:4538108

約数の個数: 48

約数和(自身を含む): 6099192960

約数和(自身を除く): 4193195580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4538089, 9076178, 13614267, 18152356, 22690445, 27228534, 31766623, 45380890, 54457068, 63533246, 68071335, 90761780, 95299869, 127066492, 136142670, 158833115, 190599738, 272285340, 317666230, 381199476, 476499345, 635332460, 952998690, 1905997380]

約数ペア:

[(1, 1905997380), (2, 952998690), (3, 635332460), (4, 476499345), (5, 381199476), (6, 317666230), (7, 272285340), (10, 190599738), (12, 158833115), (14, 136142670), (15, 127066492), (20, 95299869), (21, 90761780), (28, 68071335), (30, 63533246), (35, 54457068), (42, 45380890), (60, 31766623), (70, 27228534), (84, 22690445), (105, 18152356), (140, 13614267), (210, 9076178), (420, 4538089)]