10199980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1777}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 25091136

約数和(自身を除く): 14891156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 1777, 2870, 3554, 5740, 7108, 8885, 12439, 17770, 24878, 35540, 49756, 62195, 72857, 124390, 145714, 248780, 291428, 364285, 509999, 728570, 1019998, 1457140, 2039996, 2549995, 5099990, 10199980]

約数ペア:

[(1, 10199980), (2, 5099990), (4, 2549995), (5, 2039996), (7, 1457140), (10, 1019998), (14, 728570), (20, 509999), (28, 364285), (35, 291428), (41, 248780), (70, 145714), (82, 124390), (140, 72857), (164, 62195), (205, 49756), (287, 35540), (410, 24878), (574, 17770), (820, 12439), (1148, 8885), (1435, 7108), (1777, 5740), (2870, 3554)]