89018740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{449}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 195955200

約数和(自身を除く): 106936460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 431, 449, 460, 862, 898, 1724, 1796, 2155, 2245, 4310, 4490, 8620, 8980, 9913, 10327, 19826, 20654, 39652, 41308, 49565, 51635, 99130, 103270, 193519, 198260, 206540, 387038, 774076, 967595, 1935190, 3870380, 4450937, 8901874, 17803748, 22254685, 44509370, 89018740]

約数ペア:

[(1, 89018740), (2, 44509370), (4, 22254685), (5, 17803748), (10, 8901874), (20, 4450937), (23, 3870380), (46, 1935190), (92, 967595), (115, 774076), (230, 387038), (431, 206540), (449, 198260), (460, 193519), (862, 103270), (898, 99130), (1724, 51635), (1796, 49565), (2155, 41308), (2245, 39652), (4310, 20654), (4490, 19826), (8620, 10327), (8980, 9913)]