2015203400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{205633}}^1$

素因数の和:205663

約数の個数: 72

約数和(自身を含む): 5450329170

約数和(自身を除く): 3435125770

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 205633, 411266, 822532, 1028165, 1439431, 1645064, 2056330, 2878862, 4112660, 5140825, 5757724, 7197155, 8225320, 10076017, 10281650, 11515448, 14394310, 20152034, 20563300, 28788620, 35985775, 40304068, 41126600, 50380085, 57577240, 71971550, 80608136, 100760170, 143943100, 201520340, 251900425, 287886200, 403040680, 503800850, 1007601700, 2015203400]

約数ペア:

[(1, 2015203400), (2, 1007601700), (4, 503800850), (5, 403040680), (7, 287886200), (8, 251900425), (10, 201520340), (14, 143943100), (20, 100760170), (25, 80608136), (28, 71971550), (35, 57577240), (40, 50380085), (49, 41126600), (50, 40304068), (56, 35985775), (70, 28788620), (98, 20563300), (100, 20152034), (140, 14394310), (175, 11515448), (196, 10281650), (200, 10076017), (245, 8225320), (280, 7197155), (350, 5757724), (392, 5140825), (490, 4112660), (700, 2878862), (980, 2056330), (1225, 1645064), (1400, 1439431), (1960, 1028165), (2450, 822532), (4900, 411266), (9800, 205633)]