157788340

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{20599}}^1$

素因数の和:20991

約数の個数: 24

約数和(自身を含む): 332236800

約数和(自身を除く): 174448460

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 20599, 41198, 82396, 102995, 205990, 411980, 7889417, 15778834, 31557668, 39447085, 78894170, 157788340]

約数ペア:

[(1, 157788340), (2, 78894170), (4, 39447085), (5, 31557668), (10, 15778834), (20, 7889417), (383, 411980), (766, 205990), (1532, 102995), (1915, 82396), (3830, 41198), (7660, 20599)]