1320220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 3211488

約数和(自身を除く): 1891268

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 353, 374, 706, 748, 935, 1412, 1765, 1870, 3530, 3740, 3883, 6001, 7060, 7766, 12002, 15532, 19415, 24004, 30005, 38830, 60010, 66011, 77660, 120020, 132022, 264044, 330055, 660110, 1320220]

約数ペア:

[(1, 1320220), (2, 660110), (4, 330055), (5, 264044), (10, 132022), (11, 120020), (17, 77660), (20, 66011), (22, 60010), (34, 38830), (44, 30005), (55, 24004), (68, 19415), (85, 15532), (110, 12002), (170, 7766), (187, 7060), (220, 6001), (340, 3883), (353, 3740), (374, 3530), (706, 1870), (748, 1765), (935, 1412)]