199453020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255709}}^1$

素因数の和:255734

約数の個数: 48

約数和(自身を含む): 601429920

約数和(自身を除く): 401976900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 255709, 511418, 767127, 1022836, 1278545, 1534254, 2557090, 3068508, 3324217, 3835635, 5114180, 6648434, 7671270, 9972651, 13296868, 15342540, 16621085, 19945302, 33242170, 39890604, 49863255, 66484340, 99726510, 199453020]

約数ペア:

[(1, 199453020), (2, 99726510), (3, 66484340), (4, 49863255), (5, 39890604), (6, 33242170), (10, 19945302), (12, 16621085), (13, 15342540), (15, 13296868), (20, 9972651), (26, 7671270), (30, 6648434), (39, 5114180), (52, 3835635), (60, 3324217), (65, 3068508), (78, 2557090), (130, 1534254), (156, 1278545), (195, 1022836), (260, 767127), (390, 511418), (780, 255709)]