291233420

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{7541}}^1$

素因数の和:9481

約数の個数: 24

約数和(自身を含む): 611988048

約数和(自身を除く): 320754628

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7541, 7724, 9655, 15082, 19310, 30164, 37705, 38620, 75410, 150820, 14561671, 29123342, 58246684, 72808355, 145616710, 291233420]

約数ペア:

[(1, 291233420), (2, 145616710), (4, 72808355), (5, 58246684), (10, 29123342), (20, 14561671), (1931, 150820), (3862, 75410), (7541, 38620), (7724, 37705), (9655, 30164), (15082, 19310)]