318890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 677376

約数和(自身を除く): 358486

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 223, 286, 446, 715, 1115, 1430, 2230, 2453, 2899, 4906, 5798, 12265, 14495, 24530, 28990, 31889, 63778, 159445, 318890]

約数ペア:

[(1, 318890), (2, 159445), (5, 63778), (10, 31889), (11, 28990), (13, 24530), (22, 14495), (26, 12265), (55, 5798), (65, 4906), (110, 2899), (130, 2453), (143, 2230), (223, 1430), (286, 1115), (446, 715)]