61798220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1093}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 142255008

約数和(自身を除く): 80456788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1093, 1285, 2186, 2570, 2827, 4372, 5140, 5465, 5654, 10930, 11308, 12023, 14135, 21860, 24046, 28270, 48092, 56540, 60115, 120230, 240460, 280901, 561802, 1123604, 1404505, 2809010, 3089911, 5618020, 6179822, 12359644, 15449555, 30899110, 61798220]

約数ペア:

[(1, 61798220), (2, 30899110), (4, 15449555), (5, 12359644), (10, 6179822), (11, 5618020), (20, 3089911), (22, 2809010), (44, 1404505), (55, 1123604), (110, 561802), (220, 280901), (257, 240460), (514, 120230), (1028, 60115), (1093, 56540), (1285, 48092), (2186, 28270), (2570, 24046), (2827, 21860), (4372, 14135), (5140, 12023), (5465, 11308), (5654, 10930)]