3856720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 10499328

約数和(自身を除く): 6642608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 97, 112, 140, 142, 194, 280, 284, 355, 388, 485, 497, 560, 568, 679, 710, 776, 970, 994, 1136, 1358, 1420, 1552, 1940, 1988, 2485, 2716, 2840, 3395, 3880, 3976, 4970, 5432, 5680, 6790, 6887, 7760, 7952, 9940, 10864, 13580, 13774, 19880, 27160, 27548, 34435, 39760, 48209, 54320, 55096, 68870, 96418, 110192, 137740, 192836, 241045, 275480, 385672, 482090, 550960, 771344, 964180, 1928360, 3856720]

約数ペア:

[(1, 3856720), (2, 1928360), (4, 964180), (5, 771344), (7, 550960), (8, 482090), (10, 385672), (14, 275480), (16, 241045), (20, 192836), (28, 137740), (35, 110192), (40, 96418), (56, 68870), (70, 55096), (71, 54320), (80, 48209), (97, 39760), (112, 34435), (140, 27548), (142, 27160), (194, 19880), (280, 13774), (284, 13580), (355, 10864), (388, 9940), (485, 7952), (497, 7760), (560, 6887), (568, 6790), (679, 5680), (710, 5432), (776, 4970), (970, 3976), (994, 3880), (1136, 3395), (1358, 2840), (1420, 2716), (1552, 2485), (1940, 1988)]