87918380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2917}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 202952736

約数和(自身を除く): 115034356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 2917, 3014, 5834, 6028, 7535, 11668, 14585, 15070, 29170, 30140, 32087, 58340, 64174, 128348, 160435, 320870, 399629, 641740, 799258, 1598516, 1998145, 3996290, 4395919, 7992580, 8791838, 17583676, 21979595, 43959190, 87918380]

約数ペア:

[(1, 87918380), (2, 43959190), (4, 21979595), (5, 17583676), (10, 8791838), (11, 7992580), (20, 4395919), (22, 3996290), (44, 1998145), (55, 1598516), (110, 799258), (137, 641740), (220, 399629), (274, 320870), (548, 160435), (685, 128348), (1370, 64174), (1507, 58340), (2740, 32087), (2917, 30140), (3014, 29170), (5834, 15070), (6028, 14585), (7535, 11668)]