222632500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 529205600

約数和(自身を除く): 306573100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 109, 125, 172, 190, 215, 218, 250, 380, 430, 436, 475, 500, 545, 625, 817, 860, 950, 1075, 1090, 1250, 1634, 1900, 2071, 2150, 2180, 2375, 2500, 2725, 3268, 4085, 4142, 4300, 4687, 4750, 5375, 5450, 8170, 8284, 9374, 9500, 10355, 10750, 10900, 11875, 13625, 16340, 18748, 20425, 20710, 21500, 23435, 23750, 26875, 27250, 40850, 41420, 46870, 47500, 51775, 53750, 54500, 68125, 81700, 89053, 93740, 102125, 103550, 107500, 117175, 136250, 178106, 204250, 207100, 234350, 258875, 272500, 356212, 408500, 445265, 468700, 510625, 517750, 585875, 890530, 1021250, 1035500, 1171750, 1294375, 1781060, 2042500, 2226325, 2343500, 2588750, 2929375, 4452650, 5177500, 5858750, 8905300, 11131625, 11717500, 22263250, 44526500, 55658125, 111316250, 222632500]

約数ペア:

[(1, 222632500), (2, 111316250), (4, 55658125), (5, 44526500), (10, 22263250), (19, 11717500), (20, 11131625), (25, 8905300), (38, 5858750), (43, 5177500), (50, 4452650), (76, 2929375), (86, 2588750), (95, 2343500), (100, 2226325), (109, 2042500), (125, 1781060), (172, 1294375), (190, 1171750), (215, 1035500), (218, 1021250), (250, 890530), (380, 585875), (430, 517750), (436, 510625), (475, 468700), (500, 445265), (545, 408500), (625, 356212), (817, 272500), (860, 258875), (950, 234350), (1075, 207100), (1090, 204250), (1250, 178106), (1634, 136250), (1900, 117175), (2071, 107500), (2150, 103550), (2180, 102125), (2375, 93740), (2500, 89053), (2725, 81700), (3268, 68125), (4085, 54500), (4142, 53750), (4300, 51775), (4687, 47500), (4750, 46870), (5375, 41420), (5450, 40850), (8170, 27250), (8284, 26875), (9374, 23750), (9500, 23435), (10355, 21500), (10750, 20710), (10900, 20425), (11875, 18748), (13625, 16340)]