4485740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^2$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 10826256

約数和(自身を除く): 6340516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 12530, 25060, 32041, 64082, 128164, 160205, 224287, 320410, 448574, 640820, 897148, 1121435, 2242870, 4485740]

約数ペア:

[(1, 4485740), (2, 2242870), (4, 1121435), (5, 897148), (7, 640820), (10, 448574), (14, 320410), (20, 224287), (28, 160205), (35, 128164), (70, 64082), (140, 32041), (179, 25060), (358, 12530), (716, 6265), (895, 5012), (1253, 3580), (1790, 2506)]