248129840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{443089}}^1$

素因数の和:443109

約数の個数: 40

約数和(自身を含む): 659317920

約数和(自身を除く): 411188080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 443089, 886178, 1772356, 2215445, 3101623, 3544712, 4430890, 6203246, 7089424, 8861780, 12406492, 15508115, 17723560, 24812984, 31016230, 35447120, 49625968, 62032460, 124064920, 248129840]

約数ペア:

[(1, 248129840), (2, 124064920), (4, 62032460), (5, 49625968), (7, 35447120), (8, 31016230), (10, 24812984), (14, 17723560), (16, 15508115), (20, 12406492), (28, 8861780), (35, 7089424), (40, 6203246), (56, 4430890), (70, 3544712), (80, 3101623), (112, 2215445), (140, 1772356), (280, 886178), (560, 443089)]