249508740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{319883}}^1$

素因数の和:319908

約数の個数: 48

約数和(自身を含む): 752367168

約数和(自身を除く): 502858428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 319883, 639766, 959649, 1279532, 1599415, 1919298, 3198830, 3838596, 4158479, 4798245, 6397660, 8316958, 9596490, 12475437, 16633916, 19192980, 20792395, 24950874, 41584790, 49901748, 62377185, 83169580, 124754370, 249508740]

約数ペア:

[(1, 249508740), (2, 124754370), (3, 83169580), (4, 62377185), (5, 49901748), (6, 41584790), (10, 24950874), (12, 20792395), (13, 19192980), (15, 16633916), (20, 12475437), (26, 9596490), (30, 8316958), (39, 6397660), (52, 4798245), (60, 4158479), (65, 3838596), (78, 3198830), (130, 1919298), (156, 1599415), (195, 1279532), (260, 959649), (390, 639766), (780, 319883)]