42638750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 99868032

約数和(自身を除く): 57229282

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 250, 275, 350, 385, 443, 550, 625, 770, 875, 886, 1250, 1375, 1750, 1925, 2215, 2750, 3101, 3850, 4375, 4430, 4873, 6202, 6875, 8750, 9625, 9746, 11075, 13750, 15505, 19250, 22150, 24365, 31010, 34111, 48125, 48730, 55375, 68222, 77525, 96250, 110750, 121825, 155050, 170555, 243650, 276875, 341110, 387625, 553750, 609125, 775250, 852775, 1218250, 1705550, 1938125, 3045625, 3876250, 4263875, 6091250, 8527750, 21319375, 42638750]

約数ペア:

[(1, 42638750), (2, 21319375), (5, 8527750), (7, 6091250), (10, 4263875), (11, 3876250), (14, 3045625), (22, 1938125), (25, 1705550), (35, 1218250), (50, 852775), (55, 775250), (70, 609125), (77, 553750), (110, 387625), (125, 341110), (154, 276875), (175, 243650), (250, 170555), (275, 155050), (350, 121825), (385, 110750), (443, 96250), (550, 77525), (625, 68222), (770, 55375), (875, 48730), (886, 48125), (1250, 34111), (1375, 31010), (1750, 24365), (1925, 22150), (2215, 19250), (2750, 15505), (3101, 13750), (3850, 11075), (4375, 9746), (4430, 9625), (4873, 8750), (6202, 6875)]