670390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 1410624

約数和(自身を除く): 740234

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 157, 305, 314, 427, 610, 785, 854, 1099, 1570, 2135, 2198, 4270, 5495, 9577, 10990, 19154, 47885, 67039, 95770, 134078, 335195, 670390]

約数ペア:

[(1, 670390), (2, 335195), (5, 134078), (7, 95770), (10, 67039), (14, 47885), (35, 19154), (61, 10990), (70, 9577), (122, 5495), (157, 4270), (305, 2198), (314, 2135), (427, 1570), (610, 1099), (785, 854)]