13800850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 30788208

約数和(自身を除く): 16987358

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 49, 50, 70, 86, 98, 131, 175, 215, 245, 262, 301, 350, 430, 490, 602, 655, 917, 1075, 1225, 1310, 1505, 1834, 2107, 2150, 2450, 3010, 3275, 4214, 4585, 5633, 6419, 6550, 7525, 9170, 10535, 11266, 12838, 15050, 21070, 22925, 28165, 32095, 39431, 45850, 52675, 56330, 64190, 78862, 105350, 140825, 160475, 197155, 276017, 281650, 320950, 394310, 552034, 985775, 1380085, 1971550, 2760170, 6900425, 13800850]

約数ペア:

[(1, 13800850), (2, 6900425), (5, 2760170), (7, 1971550), (10, 1380085), (14, 985775), (25, 552034), (35, 394310), (43, 320950), (49, 281650), (50, 276017), (70, 197155), (86, 160475), (98, 140825), (131, 105350), (175, 78862), (215, 64190), (245, 56330), (262, 52675), (301, 45850), (350, 39431), (430, 32095), (490, 28165), (602, 22925), (655, 21070), (917, 15050), (1075, 12838), (1225, 11266), (1310, 10535), (1505, 9170), (1834, 7525), (2107, 6550), (2150, 6419), (2450, 5633), (3010, 4585), (3275, 4214)]