249760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 677376

約数和(自身を除く): 427616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 223, 224, 280, 446, 560, 892, 1115, 1120, 1561, 1784, 2230, 3122, 3568, 4460, 6244, 7136, 7805, 8920, 12488, 15610, 17840, 24976, 31220, 35680, 49952, 62440, 124880, 249760]

約数ペア:

[(1, 249760), (2, 124880), (4, 62440), (5, 49952), (7, 35680), (8, 31220), (10, 24976), (14, 17840), (16, 15610), (20, 12488), (28, 8920), (32, 7805), (35, 7136), (40, 6244), (56, 4460), (70, 3568), (80, 3122), (112, 2230), (140, 1784), (160, 1561), (223, 1120), (224, 1115), (280, 892), (446, 560)]