250933020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{321709}}^1$

素因数の和:321734

約数の個数: 48

約数和(自身を含む): 756661920

約数和(自身を除く): 505728900

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, 321709, 643418, 965127, 1286836, 1608545, 1930254, 3217090, 3860508, 4182217, 4825635, 6434180, 8364434, 9651270, 12546651, 16728868, 19302540, 20911085, 25093302, 41822170, 50186604, 62733255, 83644340, 125466510, 250933020]

約数ペア:

[(1, 250933020), (2, 125466510), (3, 83644340), (4, 62733255), (5, 50186604), (6, 41822170), (10, 25093302), (12, 20911085), (13, 19302540), (15, 16728868), (20, 12546651), (26, 9651270), (30, 8364434), (39, 6434180), (52, 4825635), (60, 4182217), (65, 3860508), (78, 3217090), (130, 1930254), (156, 1608545), (195, 1286836), (260, 965127), (390, 643418), (780, 321709)]