219030260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179533}}^1$

素因数の和:179603

約数の個数: 24

約数和(自身を含む): 467506536

約数和(自身を除く): 248476276

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 179533, 359066, 718132, 897665, 1795330, 3590660, 10951513, 21903026, 43806052, 54757565, 109515130, 219030260]

約数ペア:

[(1, 219030260), (2, 109515130), (4, 54757565), (5, 43806052), (10, 21903026), (20, 10951513), (61, 3590660), (122, 1795330), (244, 897665), (305, 718132), (610, 359066), (1220, 179533)]