68517820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28789}}^1$

素因数の和:28822

約数の個数: 48

約数和(自身を含む): 174121920

約数和(自身を除く): 105604100

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 28789, 57578, 115156, 143945, 201523, 287890, 403046, 489413, 575780, 806092, 978826, 1007615, 1957652, 2015230, 2447065, 3425891, 4030460, 4894130, 6851782, 9788260, 13703564, 17129455, 34258910, 68517820]

約数ペア:

[(1, 68517820), (2, 34258910), (4, 17129455), (5, 13703564), (7, 9788260), (10, 6851782), (14, 4894130), (17, 4030460), (20, 3425891), (28, 2447065), (34, 2015230), (35, 1957652), (68, 1007615), (70, 978826), (85, 806092), (119, 575780), (140, 489413), (170, 403046), (238, 287890), (340, 201523), (476, 143945), (595, 115156), (1190, 57578), (2380, 28789)]