281736990020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{198406331}}^1$

素因数の和:198406411

約数の個数: 24

約数和(自身を含む): 599980747968

約数和(自身を除く): 318243757948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 198406331, 396812662, 793625324, 992031655, 1984063310, 3968126620, 14086849501, 28173699002, 56347398004, 70434247505, 140868495010, 281736990020]

約数ペア:

[(1, 281736990020), (2, 140868495010), (4, 70434247505), (5, 56347398004), (10, 28173699002), (20, 14086849501), (71, 3968126620), (142, 1984063310), (284, 992031655), (355, 793625324), (710, 396812662), (1420, 198406331)]