27949880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 72411840

約数和(自身を除く): 44461960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 577, 692, 865, 1154, 1211, 1384, 1730, 2308, 2422, 2885, 3460, 4039, 4616, 4844, 5770, 6055, 6920, 8078, 9688, 11540, 12110, 16156, 20195, 23080, 24220, 32312, 40390, 48440, 80780, 99821, 161560, 199642, 399284, 499105, 698747, 798568, 998210, 1397494, 1996420, 2794988, 3493735, 3992840, 5589976, 6987470, 13974940, 27949880]

約数ペア:

[(1, 27949880), (2, 13974940), (4, 6987470), (5, 5589976), (7, 3992840), (8, 3493735), (10, 2794988), (14, 1996420), (20, 1397494), (28, 998210), (35, 798568), (40, 698747), (56, 499105), (70, 399284), (140, 199642), (173, 161560), (280, 99821), (346, 80780), (577, 48440), (692, 40390), (865, 32312), (1154, 24220), (1211, 23080), (1384, 20195), (1730, 16156), (2308, 12110), (2422, 11540), (2885, 9688), (3460, 8078), (4039, 6920), (4616, 6055), (4844, 5770)]