1387056020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{12589}}^1$

素因数の和:13392

約数の個数: 48

約数和(自身を含む): 3333429120

約数和(自身を除く): 1946373100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 787, 1574, 3148, 3935, 5509, 7870, 11018, 12589, 15740, 22036, 25178, 27545, 50356, 55090, 62945, 88123, 110180, 125890, 176246, 251780, 352492, 440615, 881230, 1762460, 9907543, 19815086, 39630172, 49537715, 69352801, 99075430, 138705602, 198150860, 277411204, 346764005, 693528010, 1387056020]

約数ペア:

[(1, 1387056020), (2, 693528010), (4, 346764005), (5, 277411204), (7, 198150860), (10, 138705602), (14, 99075430), (20, 69352801), (28, 49537715), (35, 39630172), (70, 19815086), (140, 9907543), (787, 1762460), (1574, 881230), (3148, 440615), (3935, 352492), (5509, 251780), (7870, 176246), (11018, 125890), (12589, 110180), (15740, 88123), (22036, 62945), (25178, 55090), (27545, 50356)]