88274120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{457}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 217641600

約数和(自身を除く): 129367480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 439, 440, 457, 878, 914, 1756, 1828, 2195, 2285, 3512, 3656, 4390, 4570, 4829, 5027, 8780, 9140, 9658, 10054, 17560, 18280, 19316, 20108, 24145, 25135, 38632, 40216, 48290, 50270, 96580, 100540, 193160, 200623, 201080, 401246, 802492, 1003115, 1604984, 2006230, 2206853, 4012460, 4413706, 8024920, 8827412, 11034265, 17654824, 22068530, 44137060, 88274120]

約数ペア:

[(1, 88274120), (2, 44137060), (4, 22068530), (5, 17654824), (8, 11034265), (10, 8827412), (11, 8024920), (20, 4413706), (22, 4012460), (40, 2206853), (44, 2006230), (55, 1604984), (88, 1003115), (110, 802492), (220, 401246), (439, 201080), (440, 200623), (457, 193160), (878, 100540), (914, 96580), (1756, 50270), (1828, 48290), (2195, 40216), (2285, 38632), (3512, 25135), (3656, 24145), (4390, 20108), (4570, 19316), (4829, 18280), (5027, 17560), (8780, 10054), (9140, 9658)]