28535980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 65882880

約数和(自身を除く): 37346900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 859, 1510, 1661, 1718, 3020, 3322, 3436, 4295, 6644, 8305, 8590, 9449, 16610, 17180, 18898, 33220, 37796, 47245, 94490, 129709, 188980, 259418, 518836, 648545, 1297090, 1426799, 2594180, 2853598, 5707196, 7133995, 14267990, 28535980]

約数ペア:

[(1, 28535980), (2, 14267990), (4, 7133995), (5, 5707196), (10, 2853598), (11, 2594180), (20, 1426799), (22, 1297090), (44, 648545), (55, 518836), (110, 259418), (151, 188980), (220, 129709), (302, 94490), (604, 47245), (755, 37796), (859, 33220), (1510, 18898), (1661, 17180), (1718, 16610), (3020, 9449), (3322, 8590), (3436, 8305), (4295, 6644)]