202499120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^2$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 479448480

約数和(自身を除く): 276949360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 179, 316, 358, 395, 632, 716, 790, 895, 1264, 1432, 1580, 1790, 2864, 3160, 3580, 6320, 7160, 14141, 14320, 28282, 32041, 56564, 64082, 70705, 113128, 128164, 141410, 160205, 226256, 256328, 282820, 320410, 512656, 565640, 640820, 1131280, 1281640, 2531239, 2563280, 5062478, 10124956, 12656195, 20249912, 25312390, 40499824, 50624780, 101249560, 202499120]

約数ペア:

[(1, 202499120), (2, 101249560), (4, 50624780), (5, 40499824), (8, 25312390), (10, 20249912), (16, 12656195), (20, 10124956), (40, 5062478), (79, 2563280), (80, 2531239), (158, 1281640), (179, 1131280), (316, 640820), (358, 565640), (395, 512656), (632, 320410), (716, 282820), (790, 256328), (895, 226256), (1264, 160205), (1432, 141410), (1580, 128164), (1790, 113128), (2864, 70705), (3160, 64082), (3580, 56564), (6320, 32041), (7160, 28282), (14141, 14320)]