287029240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{247439}}^1$

素因数の和:247479

約数の個数: 32

約数和(自身を含む): 668088000

約数和(自身を除く): 381058760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 247439, 494878, 989756, 1237195, 1979512, 2474390, 4948780, 7175731, 9897560, 14351462, 28702924, 35878655, 57405848, 71757310, 143514620, 287029240]

約数ペア:

[(1, 287029240), (2, 143514620), (4, 71757310), (5, 57405848), (8, 35878655), (10, 28702924), (20, 14351462), (29, 9897560), (40, 7175731), (58, 4948780), (116, 2474390), (145, 1979512), (232, 1237195), (290, 989756), (580, 494878), (1160, 247439)]