998156980

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{150779}}^1$

素因数の和:151119

約数の個数: 24

約数和(自身を含む): 2102476320

約数和(自身を除く): 1104319340

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 150779, 301558, 603116, 753895, 1507790, 3015580, 49907849, 99815698, 199631396, 249539245, 499078490, 998156980]

約数ペア:

[(1, 998156980), (2, 499078490), (4, 249539245), (5, 199631396), (10, 99815698), (20, 49907849), (331, 3015580), (662, 1507790), (1324, 753895), (1655, 603116), (3310, 301558), (6620, 150779)]