99870760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 246214080

約数和(自身を除く): 146343320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 353, 440, 643, 706, 1286, 1412, 1765, 2572, 2824, 3215, 3530, 3883, 5144, 6430, 7060, 7073, 7766, 12860, 14120, 14146, 15532, 19415, 25720, 28292, 31064, 35365, 38830, 56584, 70730, 77660, 141460, 155320, 226979, 282920, 453958, 907916, 1134895, 1815832, 2269790, 2496769, 4539580, 4993538, 9079160, 9987076, 12483845, 19974152, 24967690, 49935380, 99870760]

約数ペア:

[(1, 99870760), (2, 49935380), (4, 24967690), (5, 19974152), (8, 12483845), (10, 9987076), (11, 9079160), (20, 4993538), (22, 4539580), (40, 2496769), (44, 2269790), (55, 1815832), (88, 1134895), (110, 907916), (220, 453958), (353, 282920), (440, 226979), (643, 155320), (706, 141460), (1286, 77660), (1412, 70730), (1765, 56584), (2572, 38830), (2824, 35365), (3215, 31064), (3530, 28292), (3883, 25720), (5144, 19415), (6430, 15532), (7060, 14146), (7073, 14120), (7766, 12860)]