999040

素因数分解:

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

素因数の和:249

約数の個数: 64

約数和(自身を含む): 2741760

約数和(自身を除く): 1742720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 223, 224, 280, 320, 446, 448, 560, 640, 892, 896, 1115, 1120, 1561, 1784, 2230, 2240, 3122, 3568, 4460, 4480, 6244, 7136, 7805, 8920, 12488, 14272, 15610, 17840, 24976, 28544, 31220, 35680, 49952, 62440, 71360, 99904, 124880, 142720, 199808, 249760, 499520, 999040]

約数ペア:

[(1, 999040), (2, 499520), (4, 249760), (5, 199808), (7, 142720), (8, 124880), (10, 99904), (14, 71360), (16, 62440), (20, 49952), (28, 35680), (32, 31220), (35, 28544), (40, 24976), (56, 17840), (64, 15610), (70, 14272), (80, 12488), (112, 8920), (128, 7805), (140, 7136), (160, 6244), (223, 4480), (224, 4460), (280, 3568), (320, 3122), (446, 2240), (448, 2230), (560, 1784), (640, 1561), (892, 1120), (896, 1115)]