77714420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1427}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 187125120

約数和(自身を除く): 109410700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1427, 1556, 1945, 2723, 2854, 3890, 5446, 5708, 7135, 7780, 9989, 10892, 13615, 14270, 19978, 27230, 28540, 39956, 49945, 54460, 99890, 199780, 555103, 1110206, 2220412, 2775515, 3885721, 5551030, 7771442, 11102060, 15542884, 19428605, 38857210, 77714420]

約数ペア:

[(1, 77714420), (2, 38857210), (4, 19428605), (5, 15542884), (7, 11102060), (10, 7771442), (14, 5551030), (20, 3885721), (28, 2775515), (35, 2220412), (70, 1110206), (140, 555103), (389, 199780), (778, 99890), (1427, 54460), (1556, 49945), (1945, 39956), (2723, 28540), (2854, 27230), (3890, 19978), (5446, 14270), (5708, 13615), (7135, 10892), (7780, 9989)]