201991215460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325792283}}^1$

素因数の和:325792323

約数の個数: 24

約数和(自身を含む): 437864829696

約数和(自身を除く): 235873614236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325792283, 651584566, 1303169132, 1628961415, 3257922830, 6515845660, 10099560773, 20199121546, 40398243092, 50497803865, 100995607730, 201991215460]

約数ペア:

[(1, 201991215460), (2, 100995607730), (4, 50497803865), (5, 40398243092), (10, 20199121546), (20, 10099560773), (31, 6515845660), (62, 3257922830), (124, 1628961415), (155, 1303169132), (310, 651584566), (620, 325792283)]