310025820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397469}}^1$

素因数の和:397494

約数の個数: 48

約数和(自身を含む): 934849440

約数和(自身を除く): 624823620

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, 397469, 794938, 1192407, 1589876, 1987345, 2384814, 3974690, 4769628, 5167097, 5962035, 7949380, 10334194, 11924070, 15501291, 20668388, 23848140, 25835485, 31002582, 51670970, 62005164, 77506455, 103341940, 155012910, 310025820]

約数ペア:

[(1, 310025820), (2, 155012910), (3, 103341940), (4, 77506455), (5, 62005164), (6, 51670970), (10, 31002582), (12, 25835485), (13, 23848140), (15, 20668388), (20, 15501291), (26, 11924070), (30, 10334194), (39, 7949380), (52, 5962035), (60, 5167097), (65, 4769628), (78, 3974690), (130, 2384814), (156, 1987345), (195, 1589876), (260, 1192407), (390, 794938), (780, 397469)]