78984920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{282089}}^1$

素因数の和:282107

約数の個数: 32

約数和(自身を含む): 203104800

約数和(自身を除く): 124119880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 282089, 564178, 1128356, 1410445, 1974623, 2256712, 2820890, 3949246, 5641780, 7898492, 9873115, 11283560, 15796984, 19746230, 39492460, 78984920]

約数ペア:

[(1, 78984920), (2, 39492460), (4, 19746230), (5, 15796984), (7, 11283560), (8, 9873115), (10, 7898492), (14, 5641780), (20, 3949246), (28, 2820890), (35, 2256712), (40, 1974623), (56, 1410445), (70, 1128356), (140, 564178), (280, 282089)]