1198120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 3369600

約数和(自身を除く): 2171480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 389, 440, 616, 770, 778, 1540, 1556, 1945, 2723, 3080, 3112, 3890, 4279, 5446, 7780, 8558, 10892, 13615, 15560, 17116, 21395, 21784, 27230, 29953, 34232, 42790, 54460, 59906, 85580, 108920, 119812, 149765, 171160, 239624, 299530, 599060, 1198120]

約数ペア:

[(1, 1198120), (2, 599060), (4, 299530), (5, 239624), (7, 171160), (8, 149765), (10, 119812), (11, 108920), (14, 85580), (20, 59906), (22, 54460), (28, 42790), (35, 34232), (40, 29953), (44, 27230), (55, 21784), (56, 21395), (70, 17116), (77, 15560), (88, 13615), (110, 10892), (140, 8558), (154, 7780), (220, 5446), (280, 4279), (308, 3890), (385, 3112), (389, 3080), (440, 2723), (616, 1945), (770, 1556), (778, 1540)]