27948760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99817}}^1$

素因数の和:99835

約数の個数: 32

約数和(自身を含む): 71868960

約数和(自身を除く): 43920200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99817, 199634, 399268, 499085, 698719, 798536, 998170, 1397438, 1996340, 2794876, 3493595, 3992680, 5589752, 6987190, 13974380, 27948760]

約数ペア:

[(1, 27948760), (2, 13974380), (4, 6987190), (5, 5589752), (7, 3992680), (8, 3493595), (10, 2794876), (14, 1996340), (20, 1397438), (28, 998170), (35, 798536), (40, 698719), (56, 499085), (70, 399268), (140, 199634), (280, 99817)]