228899990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 460961280

約数和(自身を除く): 232061290

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 103, 110, 178, 206, 227, 445, 454, 515, 890, 979, 1030, 1133, 1135, 1958, 2266, 2270, 2497, 4895, 4994, 5665, 9167, 9790, 11330, 12485, 18334, 20203, 23381, 24970, 40406, 45835, 46762, 91670, 100837, 101015, 116905, 201674, 202030, 222233, 233810, 257191, 444466, 504185, 514382, 1008370, 1111165, 1285955, 2080909, 2222330, 2571910, 4161818, 10404545, 20809090, 22889999, 45779998, 114449995, 228899990]

約数ペア:

[(1, 228899990), (2, 114449995), (5, 45779998), (10, 22889999), (11, 20809090), (22, 10404545), (55, 4161818), (89, 2571910), (103, 2222330), (110, 2080909), (178, 1285955), (206, 1111165), (227, 1008370), (445, 514382), (454, 504185), (515, 444466), (890, 257191), (979, 233810), (1030, 222233), (1133, 202030), (1135, 201674), (1958, 116905), (2266, 101015), (2270, 100837), (2497, 91670), (4895, 46762), (4994, 45835), (5665, 40406), (9167, 24970), (9790, 23381), (11330, 20203), (12485, 18334)]