157843700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{32213}}^1$

素因数の和:32241

約数の個数: 54

約数和(自身を含む): 398454966

約数和(自身を除く): 240611266

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 32213, 64426, 128852, 161065, 225491, 322130, 450982, 644260, 805325, 901964, 1127455, 1578437, 1610650, 2254910, 3156874, 3221300, 4509820, 5637275, 6313748, 7892185, 11274550, 15784370, 22549100, 31568740, 39460925, 78921850, 157843700]

約数ペア:

[(1, 157843700), (2, 78921850), (4, 39460925), (5, 31568740), (7, 22549100), (10, 15784370), (14, 11274550), (20, 7892185), (25, 6313748), (28, 5637275), (35, 4509820), (49, 3221300), (50, 3156874), (70, 2254910), (98, 1610650), (100, 1578437), (140, 1127455), (175, 901964), (196, 805325), (245, 644260), (350, 450982), (490, 322130), (700, 225491), (980, 161065), (1225, 128852), (2450, 64426), (4900, 32213)]