129779980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2243}}^1$

素因数の和:2526

約数の個数: 48

約数和(自身を含む): 298577664

約数和(自身を除く): 168797684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 2243, 2630, 2893, 4486, 5260, 5786, 8972, 11215, 11572, 14465, 22430, 24673, 28930, 44860, 49346, 57860, 98692, 123365, 246730, 493460, 589909, 1179818, 2359636, 2949545, 5899090, 6488999, 11798180, 12977998, 25955996, 32444995, 64889990, 129779980]

約数ペア:

[(1, 129779980), (2, 64889990), (4, 32444995), (5, 25955996), (10, 12977998), (11, 11798180), (20, 6488999), (22, 5899090), (44, 2949545), (55, 2359636), (110, 1179818), (220, 589909), (263, 493460), (526, 246730), (1052, 123365), (1315, 98692), (2243, 57860), (2630, 49346), (2893, 44860), (4486, 28930), (5260, 24673), (5786, 22430), (8972, 14465), (11215, 11572)]