17225950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 38167200

約数和(自身を除く): 20941250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 79, 89, 98, 158, 175, 178, 245, 350, 395, 445, 490, 553, 623, 790, 890, 1106, 1225, 1246, 1975, 2225, 2450, 2765, 3115, 3871, 3950, 4361, 4450, 5530, 6230, 7031, 7742, 8722, 13825, 14062, 15575, 19355, 21805, 27650, 31150, 35155, 38710, 43610, 49217, 70310, 96775, 98434, 109025, 175775, 193550, 218050, 246085, 344519, 351550, 492170, 689038, 1230425, 1722595, 2460850, 3445190, 8612975, 17225950]

約数ペア:

[(1, 17225950), (2, 8612975), (5, 3445190), (7, 2460850), (10, 1722595), (14, 1230425), (25, 689038), (35, 492170), (49, 351550), (50, 344519), (70, 246085), (79, 218050), (89, 193550), (98, 175775), (158, 109025), (175, 98434), (178, 96775), (245, 70310), (350, 49217), (395, 43610), (445, 38710), (490, 35155), (553, 31150), (623, 27650), (790, 21805), (890, 19355), (1106, 15575), (1225, 14062), (1246, 13825), (1975, 8722), (2225, 7742), (2450, 7031), (2765, 6230), (3115, 5530), (3871, 4450), (3950, 4361)]