251159440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10939}}^1$

素因数の和:11000

約数の個数: 80

約数和(自身を含む): 683706240

約数和(自身を除く): 432546800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 10939, 11480, 21878, 22960, 43756, 54695, 76573, 87512, 109390, 153146, 175024, 218780, 306292, 382865, 437560, 448499, 612584, 765730, 875120, 896998, 1225168, 1531460, 1793996, 2242495, 3062920, 3139493, 3587992, 4484990, 6125840, 6278986, 7175984, 8969980, 12557972, 15697465, 17939960, 25115944, 31394930, 35879920, 50231888, 62789860, 125579720, 251159440]

約数ペア:

[(1, 251159440), (2, 125579720), (4, 62789860), (5, 50231888), (7, 35879920), (8, 31394930), (10, 25115944), (14, 17939960), (16, 15697465), (20, 12557972), (28, 8969980), (35, 7175984), (40, 6278986), (41, 6125840), (56, 4484990), (70, 3587992), (80, 3139493), (82, 3062920), (112, 2242495), (140, 1793996), (164, 1531460), (205, 1225168), (280, 896998), (287, 875120), (328, 765730), (410, 612584), (560, 448499), (574, 437560), (656, 382865), (820, 306292), (1148, 218780), (1435, 175024), (1640, 153146), (2296, 109390), (2870, 87512), (3280, 76573), (4592, 54695), (5740, 43756), (10939, 22960), (11480, 21878)]