78414820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15497}}^1$

素因数の和:15540

約数の個数: 48

約数和(自身を含む): 187463808

約数和(自身を除く): 109048988

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, 15497, 30994, 61988, 77485, 154970, 170467, 309940, 340934, 356431, 681868, 712862, 852335, 1425724, 1704670, 1782155, 3409340, 3564310, 3920741, 7128620, 7841482, 15682964, 19603705, 39207410, 78414820]

約数ペア:

[(1, 78414820), (2, 39207410), (4, 19603705), (5, 15682964), (10, 7841482), (11, 7128620), (20, 3920741), (22, 3564310), (23, 3409340), (44, 1782155), (46, 1704670), (55, 1425724), (92, 852335), (110, 712862), (115, 681868), (220, 356431), (230, 340934), (253, 309940), (460, 170467), (506, 154970), (1012, 77485), (1265, 61988), (2530, 30994), (5060, 15497)]