257373090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219977}}^1$

素因数の和:220003

約数の個数: 48

約数和(自身を含む): 720647928

約数和(自身を除く): 463274838

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 219977, 439954, 659931, 1099885, 1319862, 1979793, 2199770, 2859701, 3299655, 3959586, 5719402, 6599310, 8579103, 9898965, 14298505, 17158206, 19797930, 25737309, 28597010, 42895515, 51474618, 85791030, 128686545, 257373090]

約数ペア:

[(1, 257373090), (2, 128686545), (3, 85791030), (5, 51474618), (6, 42895515), (9, 28597010), (10, 25737309), (13, 19797930), (15, 17158206), (18, 14298505), (26, 9898965), (30, 8579103), (39, 6599310), (45, 5719402), (65, 3959586), (78, 3299655), (90, 2859701), (117, 2199770), (130, 1979793), (195, 1319862), (234, 1099885), (390, 659931), (585, 439954), (1170, 219977)]