199866680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{384359}}^1$

素因数の和:384383

約数の個数: 32

約数和(自身を含む): 484293600

約数和(自身を除く): 284426920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 384359, 768718, 1537436, 1921795, 3074872, 3843590, 4996667, 7687180, 9993334, 15374360, 19986668, 24983335, 39973336, 49966670, 99933340, 199866680]

約数ペア:

[(1, 199866680), (2, 99933340), (4, 49966670), (5, 39973336), (8, 24983335), (10, 19986668), (13, 15374360), (20, 9993334), (26, 7687180), (40, 4996667), (52, 3843590), (65, 3074872), (104, 1921795), (130, 1537436), (260, 768718), (520, 384359)]