87813880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4073}}^1$

素因数の和:4109

約数の個数: 96

約数和(自身を含む): 250795440

約数和(自身を除く): 162981560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4073, 4312, 5390, 8146, 10780, 16292, 20365, 21560, 28511, 32584, 40730, 44803, 57022, 81460, 89606, 114044, 142555, 162920, 179212, 199577, 224015, 228088, 285110, 313621, 358424, 399154, 448030, 570220, 627242, 798308, 896060, 997885, 1140440, 1254484, 1568105, 1596616, 1792120, 1995770, 2195347, 2508968, 3136210, 3991540, 4390694, 6272420, 7983080, 8781388, 10976735, 12544840, 17562776, 21953470, 43906940, 87813880]

約数ペア:

[(1, 87813880), (2, 43906940), (4, 21953470), (5, 17562776), (7, 12544840), (8, 10976735), (10, 8781388), (11, 7983080), (14, 6272420), (20, 4390694), (22, 3991540), (28, 3136210), (35, 2508968), (40, 2195347), (44, 1995770), (49, 1792120), (55, 1596616), (56, 1568105), (70, 1254484), (77, 1140440), (88, 997885), (98, 896060), (110, 798308), (140, 627242), (154, 570220), (196, 448030), (220, 399154), (245, 358424), (280, 313621), (308, 285110), (385, 228088), (392, 224015), (440, 199577), (490, 179212), (539, 162920), (616, 142555), (770, 114044), (980, 89606), (1078, 81460), (1540, 57022), (1960, 44803), (2156, 40730), (2695, 32584), (3080, 28511), (4073, 21560), (4312, 20365), (5390, 16292), (8146, 10780)]