2495010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^2$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 6906816

約数和(自身を除く): 4411806

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 1090, 1526, 1635, 2289, 3270, 3815, 4578, 7630, 11445, 11881, 22890, 23762, 35643, 59405, 71286, 83167, 118810, 166334, 178215, 249501, 356430, 415835, 499002, 831670, 1247505, 2495010]

約数ペア:

[(1, 2495010), (2, 1247505), (3, 831670), (5, 499002), (6, 415835), (7, 356430), (10, 249501), (14, 178215), (15, 166334), (21, 118810), (30, 83167), (35, 71286), (42, 59405), (70, 35643), (105, 23762), (109, 22890), (210, 11881), (218, 11445), (327, 7630), (545, 4578), (654, 3815), (763, 3270), (1090, 2289), (1526, 1635)]