156640220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{2017}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 360043488

約数和(自身を除く): 203403268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 1412, 1765, 2017, 3530, 3883, 4034, 7060, 7766, 8068, 10085, 15532, 19415, 20170, 22187, 38830, 40340, 44374, 77660, 88748, 110935, 221870, 443740, 712001, 1424002, 2848004, 3560005, 7120010, 7832011, 14240020, 15664022, 31328044, 39160055, 78320110, 156640220]

約数ペア:

[(1, 156640220), (2, 78320110), (4, 39160055), (5, 31328044), (10, 15664022), (11, 14240020), (20, 7832011), (22, 7120010), (44, 3560005), (55, 2848004), (110, 1424002), (220, 712001), (353, 443740), (706, 221870), (1412, 110935), (1765, 88748), (2017, 77660), (3530, 44374), (3883, 40340), (4034, 38830), (7060, 22187), (7766, 20170), (8068, 19415), (10085, 15532)]