217414070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2203}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 399893760

約数和(自身を除く): 182479690

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 1390, 2203, 4406, 9869, 11015, 19738, 22030, 49345, 98690, 156413, 306217, 312826, 612434, 782065, 1531085, 1564130, 3062170, 21741407, 43482814, 108707035, 217414070]

約数ペア:

[(1, 217414070), (2, 108707035), (5, 43482814), (10, 21741407), (71, 3062170), (139, 1564130), (142, 1531085), (278, 782065), (355, 612434), (695, 312826), (710, 306217), (1390, 156413), (2203, 98690), (4406, 49345), (9869, 22030), (11015, 19738)]