394182040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1407793}}^1$

素因数の和:1407811

約数の個数: 32

約数和(自身を含む): 1013611680

約数和(自身を除く): 619429640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1407793, 2815586, 5631172, 7038965, 9854551, 11262344, 14077930, 19709102, 28155860, 39418204, 49272755, 56311720, 78836408, 98545510, 197091020, 394182040]

約数ペア:

[(1, 394182040), (2, 197091020), (4, 98545510), (5, 78836408), (7, 56311720), (8, 49272755), (10, 39418204), (14, 28155860), (20, 19709102), (28, 14077930), (35, 11262344), (40, 9854551), (56, 7038965), (70, 5631172), (140, 2815586), (280, 1407793)]