74715280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6719}}^1$

素因数の和:6871

約数の個数: 40

約数和(自身を含む): 174988800

約数和(自身を除く): 100273520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 6719, 11120, 13438, 26876, 33595, 53752, 67190, 107504, 134380, 268760, 537520, 933941, 1867882, 3735764, 4669705, 7471528, 9339410, 14943056, 18678820, 37357640, 74715280]

約数ペア:

[(1, 74715280), (2, 37357640), (4, 18678820), (5, 14943056), (8, 9339410), (10, 7471528), (16, 4669705), (20, 3735764), (40, 1867882), (80, 933941), (139, 537520), (278, 268760), (556, 134380), (695, 107504), (1112, 67190), (1390, 53752), (2224, 33595), (2780, 26876), (5560, 13438), (6719, 11120)]