2489480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 6791040

約数和(自身を除く): 4301560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 523, 595, 680, 952, 1046, 1190, 2092, 2380, 2615, 3661, 4184, 4760, 5230, 7322, 8891, 10460, 14644, 17782, 18305, 20920, 29288, 35564, 36610, 44455, 62237, 71128, 73220, 88910, 124474, 146440, 177820, 248948, 311185, 355640, 497896, 622370, 1244740, 2489480]

約数ペア:

[(1, 2489480), (2, 1244740), (4, 622370), (5, 497896), (7, 355640), (8, 311185), (10, 248948), (14, 177820), (17, 146440), (20, 124474), (28, 88910), (34, 73220), (35, 71128), (40, 62237), (56, 44455), (68, 36610), (70, 35564), (85, 29288), (119, 20920), (136, 18305), (140, 17782), (170, 14644), (238, 10460), (280, 8891), (340, 7322), (476, 5230), (523, 4760), (595, 4184), (680, 3661), (952, 2615), (1046, 2380), (1190, 2092)]