98765660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1777}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 237768384

約数和(自身を除く): 139002724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1777, 1985, 2779, 3554, 3970, 5558, 7108, 7940, 8885, 11116, 12439, 13895, 17770, 24878, 27790, 35540, 49756, 55580, 62195, 124390, 248780, 705469, 1410938, 2821876, 3527345, 4938283, 7054690, 9876566, 14109380, 19753132, 24691415, 49382830, 98765660]

約数ペア:

[(1, 98765660), (2, 49382830), (4, 24691415), (5, 19753132), (7, 14109380), (10, 9876566), (14, 7054690), (20, 4938283), (28, 3527345), (35, 2821876), (70, 1410938), (140, 705469), (397, 248780), (794, 124390), (1588, 62195), (1777, 55580), (1985, 49756), (2779, 35540), (3554, 27790), (3970, 24878), (5558, 17770), (7108, 13895), (7940, 12439), (8885, 11116)]