222528880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{397373}}^1$

素因数の和:397393

約数の個数: 40

約数和(自身を含む): 591292512

約数和(自身を除く): 368763632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 397373, 794746, 1589492, 1986865, 2781611, 3178984, 3973730, 5563222, 6357968, 7947460, 11126444, 13908055, 15894920, 22252888, 27816110, 31789840, 44505776, 55632220, 111264440, 222528880]

約数ペア:

[(1, 222528880), (2, 111264440), (4, 55632220), (5, 44505776), (7, 31789840), (8, 27816110), (10, 22252888), (14, 15894920), (16, 13908055), (20, 11126444), (28, 7947460), (35, 6357968), (40, 5563222), (56, 3973730), (70, 3178984), (80, 2781611), (112, 1986865), (140, 1589492), (280, 794746), (560, 397373)]