10905580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 26623296

約数和(自身を除く): 15717716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1277, 1708, 2135, 2554, 4270, 5108, 6385, 8540, 8939, 12770, 17878, 25540, 35756, 44695, 77897, 89390, 155794, 178780, 311588, 389485, 545279, 778970, 1090558, 1557940, 2181116, 2726395, 5452790, 10905580]

約数ペア:

[(1, 10905580), (2, 5452790), (4, 2726395), (5, 2181116), (7, 1557940), (10, 1090558), (14, 778970), (20, 545279), (28, 389485), (35, 311588), (61, 178780), (70, 155794), (122, 89390), (140, 77897), (244, 44695), (305, 35756), (427, 25540), (610, 17878), (854, 12770), (1220, 8939), (1277, 8540), (1708, 6385), (2135, 5108), (2554, 4270)]