138901900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{81707}}^1$

素因数の和:81738

約数の個数: 36

約数和(自身を含む): 319151448

約数和(自身を除く): 180249548

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 81707, 163414, 326828, 408535, 817070, 1389019, 1634140, 2042675, 2778038, 4085350, 5556076, 6945095, 8170700, 13890190, 27780380, 34725475, 69450950, 138901900]

約数ペア:

[(1, 138901900), (2, 69450950), (4, 34725475), (5, 27780380), (10, 13890190), (17, 8170700), (20, 6945095), (25, 5556076), (34, 4085350), (50, 2778038), (68, 2042675), (85, 1634140), (100, 1389019), (170, 817070), (340, 408535), (425, 326828), (850, 163414), (1700, 81707)]