17112620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 42405888

約数和(自身を除く): 25293268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3943, 4340, 7886, 15772, 19715, 27601, 39430, 55202, 78860, 110404, 122233, 138005, 244466, 276010, 488932, 552020, 611165, 855631, 1222330, 1711262, 2444660, 3422524, 4278155, 8556310, 17112620]

約数ペア:

[(1, 17112620), (2, 8556310), (4, 4278155), (5, 3422524), (7, 2444660), (10, 1711262), (14, 1222330), (20, 855631), (28, 611165), (31, 552020), (35, 488932), (62, 276010), (70, 244466), (124, 138005), (140, 122233), (155, 110404), (217, 78860), (310, 55202), (434, 39430), (620, 27601), (868, 19715), (1085, 15772), (2170, 7886), (3943, 4340)]