7131950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 16030224

約数和(自身を除く): 8898274

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 71, 82, 98, 142, 175, 205, 245, 287, 350, 355, 410, 490, 497, 574, 710, 994, 1025, 1225, 1435, 1775, 2009, 2050, 2450, 2485, 2870, 2911, 3479, 3550, 4018, 4970, 5822, 6958, 7175, 10045, 12425, 14350, 14555, 17395, 20090, 20377, 24850, 29110, 34790, 40754, 50225, 72775, 86975, 100450, 101885, 142639, 145550, 173950, 203770, 285278, 509425, 713195, 1018850, 1426390, 3565975, 7131950]

約数ペア:

[(1, 7131950), (2, 3565975), (5, 1426390), (7, 1018850), (10, 713195), (14, 509425), (25, 285278), (35, 203770), (41, 173950), (49, 145550), (50, 142639), (70, 101885), (71, 100450), (82, 86975), (98, 72775), (142, 50225), (175, 40754), (205, 34790), (245, 29110), (287, 24850), (350, 20377), (355, 20090), (410, 17395), (490, 14555), (497, 14350), (574, 12425), (710, 10045), (994, 7175), (1025, 6958), (1225, 5822), (1435, 4970), (1775, 4018), (2009, 3550), (2050, 3479), (2450, 2911), (2485, 2870)]