1225490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 2671704

約数和(自身を除く): 1446214

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 61, 70, 82, 98, 122, 205, 245, 287, 305, 410, 427, 490, 574, 610, 854, 1435, 2009, 2135, 2501, 2870, 2989, 4018, 4270, 5002, 5978, 10045, 12505, 14945, 17507, 20090, 25010, 29890, 35014, 87535, 122549, 175070, 245098, 612745, 1225490]

約数ペア:

[(1, 1225490), (2, 612745), (5, 245098), (7, 175070), (10, 122549), (14, 87535), (35, 35014), (41, 29890), (49, 25010), (61, 20090), (70, 17507), (82, 14945), (98, 12505), (122, 10045), (205, 5978), (245, 5002), (287, 4270), (305, 4018), (410, 2989), (427, 2870), (490, 2501), (574, 2135), (610, 2009), (854, 1435)]