85128400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{30403}}^1$

素因数の和:30428

約数の個数: 60

約数和(自身を含む): 233745952

約数和(自身を除く): 148617552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 30403, 60806, 121612, 152015, 212821, 243224, 304030, 425642, 486448, 608060, 760075, 851284, 1064105, 1216120, 1520150, 1702568, 2128210, 2432240, 3040300, 3405136, 4256420, 5320525, 6080600, 8512840, 10641050, 12161200, 17025680, 21282100, 42564200, 85128400]

約数ペア:

[(1, 85128400), (2, 42564200), (4, 21282100), (5, 17025680), (7, 12161200), (8, 10641050), (10, 8512840), (14, 6080600), (16, 5320525), (20, 4256420), (25, 3405136), (28, 3040300), (35, 2432240), (40, 2128210), (50, 1702568), (56, 1520150), (70, 1216120), (80, 1064105), (100, 851284), (112, 760075), (140, 608060), (175, 486448), (200, 425642), (280, 304030), (350, 243224), (400, 212821), (560, 152015), (700, 121612), (1400, 60806), (2800, 30403)]