17980900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1511}}^1$

素因数の和:1549

約数の個数: 72

約数和(自身を含む): 47246976

約数和(自身を除く): 29266076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1511, 1700, 2380, 2975, 3022, 5950, 6044, 7555, 10577, 11900, 15110, 21154, 25687, 30220, 37775, 42308, 51374, 52885, 75550, 102748, 105770, 128435, 151100, 179809, 211540, 256870, 264425, 359618, 513740, 528850, 642175, 719236, 899045, 1057700, 1284350, 1798090, 2568700, 3596180, 4495225, 8990450, 17980900]

約数ペア:

[(1, 17980900), (2, 8990450), (4, 4495225), (5, 3596180), (7, 2568700), (10, 1798090), (14, 1284350), (17, 1057700), (20, 899045), (25, 719236), (28, 642175), (34, 528850), (35, 513740), (50, 359618), (68, 264425), (70, 256870), (85, 211540), (100, 179809), (119, 151100), (140, 128435), (170, 105770), (175, 102748), (238, 75550), (340, 52885), (350, 51374), (425, 42308), (476, 37775), (595, 30220), (700, 25687), (850, 21154), (1190, 15110), (1511, 11900), (1700, 10577), (2380, 7555), (2975, 6044), (3022, 5950)]