494952760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{75913}}^1$

素因数の和:76087

約数の個数: 32

約数和(自身を含む): 1120490640

約数和(自身を除く): 625537880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 75913, 151826, 303652, 379565, 607304, 759130, 1518260, 3036520, 12373819, 24747638, 49495276, 61869095, 98990552, 123738190, 247476380, 494952760]

約数ペア:

[(1, 494952760), (2, 247476380), (4, 123738190), (5, 98990552), (8, 61869095), (10, 49495276), (20, 24747638), (40, 12373819), (163, 3036520), (326, 1518260), (652, 759130), (815, 607304), (1304, 379565), (1630, 303652), (3260, 151826), (6520, 75913)]