68881780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13613}}^1$

素因数の和:13656

約数の個数: 48

約数和(自身を含む): 164674944

約数和(自身を除く): 95793164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 13613, 27226, 54452, 68065, 136130, 149743, 272260, 299486, 313099, 598972, 626198, 748715, 1252396, 1497430, 1565495, 2994860, 3130990, 3444089, 6261980, 6888178, 13776356, 17220445, 34440890, 68881780]

約数ペア:

[(1, 68881780), (2, 34440890), (4, 17220445), (5, 13776356), (10, 6888178), (11, 6261980), (20, 3444089), (22, 3130990), (23, 2994860), (44, 1565495), (46, 1497430), (55, 1252396), (92, 748715), (110, 626198), (115, 598972), (220, 313099), (230, 299486), (253, 272260), (460, 149743), (506, 136130), (1012, 68065), (1265, 54452), (2530, 27226), (5060, 13613)]