248671020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318809}}^1$

素因数の和:318834

約数の個数: 48

約数和(自身を含む): 749841120

約数和(自身を除く): 501170100

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, 318809, 637618, 956427, 1275236, 1594045, 1912854, 3188090, 3825708, 4144517, 4782135, 6376180, 8289034, 9564270, 12433551, 16578068, 19128540, 20722585, 24867102, 41445170, 49734204, 62167755, 82890340, 124335510, 248671020]

約数ペア:

[(1, 248671020), (2, 124335510), (3, 82890340), (4, 62167755), (5, 49734204), (6, 41445170), (10, 24867102), (12, 20722585), (13, 19128540), (15, 16578068), (20, 12433551), (26, 9564270), (30, 8289034), (39, 6376180), (52, 4782135), (60, 4144517), (65, 3825708), (78, 3188090), (130, 1912854), (156, 1594045), (195, 1275236), (260, 956427), (390, 637618), (780, 318809)]