1317380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 2788800

約数和(自身を除く): 1471420

約数列:

[1, 2, 4, 5, 10, 20, 199, 331, 398, 662, 796, 995, 1324, 1655, 1990, 3310, 3980, 6620, 65869, 131738, 263476, 329345, 658690, 1317380]

約数ペア:

[(1, 1317380), (2, 658690), (4, 329345), (5, 263476), (10, 131738), (20, 65869), (199, 6620), (331, 3980), (398, 3310), (662, 1990), (796, 1655), (995, 1324)]