243965680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{435653}}^1$

素因数の和:435673

約数の個数: 40

約数和(自身を含む): 648253152

約数和(自身を除く): 404287472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 435653, 871306, 1742612, 2178265, 3049571, 3485224, 4356530, 6099142, 6970448, 8713060, 12198284, 15247855, 17426120, 24396568, 30495710, 34852240, 48793136, 60991420, 121982840, 243965680]

約数ペア:

[(1, 243965680), (2, 121982840), (4, 60991420), (5, 48793136), (7, 34852240), (8, 30495710), (10, 24396568), (14, 17426120), (16, 15247855), (20, 12198284), (28, 8713060), (35, 6970448), (40, 6099142), (56, 4356530), (70, 3485224), (80, 3049571), (112, 2178265), (140, 1742612), (280, 871306), (560, 435653)]