271866020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{222841}}^1$

素因数の和:222911

約数の個数: 24

約数和(自身を含む): 580280568

約数和(自身を除く): 308414548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 222841, 445682, 891364, 1114205, 2228410, 4456820, 13593301, 27186602, 54373204, 67966505, 135933010, 271866020]

約数ペア:

[(1, 271866020), (2, 135933010), (4, 67966505), (5, 54373204), (10, 27186602), (20, 13593301), (61, 4456820), (122, 2228410), (244, 1114205), (305, 891364), (610, 445682), (1220, 222841)]