78813140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29629}}^1$

素因数の和:29664

約数の個数: 48

約数和(自身を含む): 199113600

約数和(自身を除く): 120300460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 29629, 59258, 118516, 148145, 207403, 296290, 414806, 562951, 592580, 829612, 1037015, 1125902, 2074030, 2251804, 2814755, 3940657, 4148060, 5629510, 7881314, 11259020, 15762628, 19703285, 39406570, 78813140]

約数ペア:

[(1, 78813140), (2, 39406570), (4, 19703285), (5, 15762628), (7, 11259020), (10, 7881314), (14, 5629510), (19, 4148060), (20, 3940657), (28, 2814755), (35, 2251804), (38, 2074030), (70, 1125902), (76, 1037015), (95, 829612), (133, 592580), (140, 562951), (190, 414806), (266, 296290), (380, 207403), (532, 148145), (665, 118516), (1330, 59258), (2660, 29629)]