91090580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28289}}^1$

素因数の和:28328

約数の個数: 48

約数和(自身を含む): 228130560

約数和(自身を除く): 137039980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 28289, 56578, 113156, 141445, 198023, 282890, 396046, 565780, 650647, 792092, 990115, 1301294, 1980230, 2602588, 3253235, 3960460, 4554529, 6506470, 9109058, 13012940, 18218116, 22772645, 45545290, 91090580]

約数ペア:

[(1, 91090580), (2, 45545290), (4, 22772645), (5, 18218116), (7, 13012940), (10, 9109058), (14, 6506470), (20, 4554529), (23, 3960460), (28, 3253235), (35, 2602588), (46, 1980230), (70, 1301294), (92, 990115), (115, 792092), (140, 650647), (161, 565780), (230, 396046), (322, 282890), (460, 198023), (644, 141445), (805, 113156), (1610, 56578), (3220, 28289)]