197512840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{705403}}^1$

素因数の和:705421

約数の個数: 32

約数和(自身を含む): 507890880

約数和(自身を除く): 310378040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 705403, 1410806, 2821612, 3527015, 4937821, 5643224, 7054030, 9875642, 14108060, 19751284, 24689105, 28216120, 39502568, 49378210, 98756420, 197512840]

約数ペア:

[(1, 197512840), (2, 98756420), (4, 49378210), (5, 39502568), (7, 28216120), (8, 24689105), (10, 19751284), (14, 14108060), (20, 9875642), (28, 7054030), (35, 5643224), (40, 4937821), (56, 3527015), (70, 2821612), (140, 1410806), (280, 705403)]