28085420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6719}}^1$

素因数の和:6758

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 39652180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6719, 13438, 26876, 33595, 67190, 73909, 127661, 134380, 147818, 255322, 295636, 369545, 510644, 638305, 739090, 1276610, 1404271, 1478180, 2553220, 2808542, 5617084, 7021355, 14042710, 28085420]

約数ペア:

[(1, 28085420), (2, 14042710), (4, 7021355), (5, 5617084), (10, 2808542), (11, 2553220), (19, 1478180), (20, 1404271), (22, 1276610), (38, 739090), (44, 638305), (55, 510644), (76, 369545), (95, 295636), (110, 255322), (190, 147818), (209, 134380), (220, 127661), (380, 73909), (418, 67190), (836, 33595), (1045, 26876), (2090, 13438), (4180, 6719)]