90240260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2371}}^1$

素因数の和:2564

約数の個数: 48

約数和(自身を含む): 208014912

約数和(自身を除く): 117774652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 2371, 3460, 3806, 4742, 7612, 9484, 9515, 11855, 19030, 23710, 26081, 38060, 47420, 52162, 104324, 130405, 260810, 410183, 521620, 820366, 1640732, 2050915, 4101830, 4512013, 8203660, 9024026, 18048052, 22560065, 45120130, 90240260]

約数ペア:

[(1, 90240260), (2, 45120130), (4, 22560065), (5, 18048052), (10, 9024026), (11, 8203660), (20, 4512013), (22, 4101830), (44, 2050915), (55, 1640732), (110, 820366), (173, 521620), (220, 410183), (346, 260810), (692, 130405), (865, 104324), (1730, 52162), (1903, 47420), (2371, 38060), (3460, 26081), (3806, 23710), (4742, 19030), (7612, 11855), (9484, 9515)]