217635390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{115151}}^1$

素因数の和:115174

約数の個数: 64

約数和(自身を含む): 663275520

約数和(自身を除く): 445640130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 115151, 230302, 345453, 575755, 690906, 806057, 1036359, 1151510, 1612114, 1727265, 2072718, 2418171, 3109077, 3454530, 4030285, 4836342, 5181795, 6218154, 7254513, 8060570, 10363590, 12090855, 14509026, 15545385, 21763539, 24181710, 31090770, 36272565, 43527078, 72545130, 108817695, 217635390]

約数ペア:

[(1, 217635390), (2, 108817695), (3, 72545130), (5, 43527078), (6, 36272565), (7, 31090770), (9, 24181710), (10, 21763539), (14, 15545385), (15, 14509026), (18, 12090855), (21, 10363590), (27, 8060570), (30, 7254513), (35, 6218154), (42, 5181795), (45, 4836342), (54, 4030285), (63, 3454530), (70, 3109077), (90, 2418171), (105, 2072718), (126, 1727265), (135, 1612114), (189, 1151510), (210, 1036359), (270, 806057), (315, 690906), (378, 575755), (630, 345453), (945, 230302), (1890, 115151)]