78908060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51239}}^1$

素因数の和:51266

約数の個数: 48

約数和(自身を含む): 206599680

約数和(自身を除く): 127691620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 51239, 102478, 204956, 256195, 358673, 512390, 563629, 717346, 1024780, 1127258, 1434692, 1793365, 2254516, 2818145, 3586730, 3945403, 5636290, 7173460, 7890806, 11272580, 15781612, 19727015, 39454030, 78908060]

約数ペア:

[(1, 78908060), (2, 39454030), (4, 19727015), (5, 15781612), (7, 11272580), (10, 7890806), (11, 7173460), (14, 5636290), (20, 3945403), (22, 3586730), (28, 2818145), (35, 2254516), (44, 1793365), (55, 1434692), (70, 1127258), (77, 1024780), (110, 717346), (140, 563629), (154, 512390), (220, 358673), (308, 256195), (385, 204956), (770, 102478), (1540, 51239)]