123865460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199783}}^1$

素因数の和:199823

約数の個数: 24

約数和(自身を含む): 268509696

約数和(自身を除く): 144644236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 199783, 399566, 799132, 998915, 1997830, 3995660, 6193273, 12386546, 24773092, 30966365, 61932730, 123865460]

約数ペア:

[(1, 123865460), (2, 61932730), (4, 30966365), (5, 24773092), (10, 12386546), (20, 6193273), (31, 3995660), (62, 1997830), (124, 998915), (155, 799132), (310, 399566), (620, 199783)]