221640160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197893}}^1$

素因数の和:197915

約数の個数: 48

約数和(自身を含む): 598431456

約数和(自身を除く): 376791296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 197893, 395786, 791572, 989465, 1385251, 1583144, 1978930, 2770502, 3166288, 3957860, 5541004, 6332576, 6926255, 7915720, 11082008, 13852510, 15831440, 22164016, 27705020, 31662880, 44328032, 55410040, 110820080, 221640160]

約数ペア:

[(1, 221640160), (2, 110820080), (4, 55410040), (5, 44328032), (7, 31662880), (8, 27705020), (10, 22164016), (14, 15831440), (16, 13852510), (20, 11082008), (28, 7915720), (32, 6926255), (35, 6332576), (40, 5541004), (56, 3957860), (70, 3166288), (80, 2770502), (112, 1978930), (140, 1583144), (160, 1385251), (224, 989465), (280, 791572), (560, 395786), (1120, 197893)]