228020180

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{62989}}^1$

素因数の和:63179

約数の個数: 24

約数和(自身を含む): 481495560

約数和(自身を除く): 253475380

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 62989, 125978, 251956, 314945, 629890, 1259780, 11401009, 22802018, 45604036, 57005045, 114010090, 228020180]

約数ペア:

[(1, 228020180), (2, 114010090), (4, 57005045), (5, 45604036), (10, 22802018), (20, 11401009), (181, 1259780), (362, 629890), (724, 314945), (905, 251956), (1810, 125978), (3620, 62989)]