201012980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1423}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 483248640

約数和(自身を除く): 282235660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1009, 1423, 2018, 2846, 4036, 5045, 5692, 7063, 7115, 9961, 10090, 14126, 14230, 19922, 20180, 28252, 28460, 35315, 39844, 49805, 70630, 99610, 141260, 199220, 1435807, 2871614, 5743228, 7179035, 10050649, 14358070, 20101298, 28716140, 40202596, 50253245, 100506490, 201012980]

約数ペア:

[(1, 201012980), (2, 100506490), (4, 50253245), (5, 40202596), (7, 28716140), (10, 20101298), (14, 14358070), (20, 10050649), (28, 7179035), (35, 5743228), (70, 2871614), (140, 1435807), (1009, 199220), (1423, 141260), (2018, 99610), (2846, 70630), (4036, 49805), (5045, 39844), (5692, 35315), (7063, 28460), (7115, 28252), (9961, 20180), (10090, 19922), (14126, 14230)]