189707960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3347}}^1$

素因数の和:3480

約数の個数: 64

約数和(自身を含む): 464032800

約数和(自身を除く): 274324840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1417, 2180, 2834, 3347, 4360, 5668, 6694, 7085, 11336, 13388, 14170, 16735, 26776, 28340, 33470, 43511, 56680, 66940, 87022, 133880, 174044, 217555, 348088, 364823, 435110, 729646, 870220, 1459292, 1740440, 1824115, 2918584, 3648230, 4742699, 7296460, 9485398, 14592920, 18970796, 23713495, 37941592, 47426990, 94853980, 189707960]

約数ペア:

[(1, 189707960), (2, 94853980), (4, 47426990), (5, 37941592), (8, 23713495), (10, 18970796), (13, 14592920), (20, 9485398), (26, 7296460), (40, 4742699), (52, 3648230), (65, 2918584), (104, 1824115), (109, 1740440), (130, 1459292), (218, 870220), (260, 729646), (436, 435110), (520, 364823), (545, 348088), (872, 217555), (1090, 174044), (1417, 133880), (2180, 87022), (2834, 66940), (3347, 56680), (4360, 43511), (5668, 33470), (6694, 28340), (7085, 26776), (11336, 16735), (13388, 14170)]