206402820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264619}}^1$

素因数の和:264644

約数の個数: 48

約数和(自身を含む): 622386240

約数和(自身を除く): 415983420

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, 264619, 529238, 793857, 1058476, 1323095, 1587714, 2646190, 3175428, 3440047, 3969285, 5292380, 6880094, 7938570, 10320141, 13760188, 15877140, 17200235, 20640282, 34400470, 41280564, 51600705, 68800940, 103201410, 206402820]

約数ペア:

[(1, 206402820), (2, 103201410), (3, 68800940), (4, 51600705), (5, 41280564), (6, 34400470), (10, 20640282), (12, 17200235), (13, 15877140), (15, 13760188), (20, 10320141), (26, 7938570), (30, 6880094), (39, 5292380), (52, 3969285), (60, 3440047), (65, 3175428), (78, 2646190), (130, 1587714), (156, 1323095), (195, 1058476), (260, 793857), (390, 529238), (780, 264619)]