308551420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{252911}}^1$

素因数の和:252981

約数の個数: 24

約数和(自身を含む): 658582848

約数和(自身を除く): 350031428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 252911, 505822, 1011644, 1264555, 2529110, 5058220, 15427571, 30855142, 61710284, 77137855, 154275710, 308551420]

約数ペア:

[(1, 308551420), (2, 154275710), (4, 77137855), (5, 61710284), (10, 30855142), (20, 15427571), (61, 5058220), (122, 2529110), (244, 1264555), (305, 1011644), (610, 505822), (1220, 252911)]