97972840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349903}}^1$

素因数の和:349921

約数の個数: 32

約数和(自身を含む): 251930880

約数和(自身を除く): 153958040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349903, 699806, 1399612, 1749515, 2449321, 2799224, 3499030, 4898642, 6998060, 9797284, 12246605, 13996120, 19594568, 24493210, 48986420, 97972840]

約数ペア:

[(1, 97972840), (2, 48986420), (4, 24493210), (5, 19594568), (7, 13996120), (8, 12246605), (10, 9797284), (14, 6998060), (20, 4898642), (28, 3499030), (35, 2799224), (40, 2449321), (56, 1749515), (70, 1399612), (140, 699806), (280, 349903)]