28008860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7489}}^1$

素因数の和:7526

約数の個数: 48

約数和(自身を含む): 67949280

約数和(自身を除く): 39940420

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 7489, 14978, 29956, 37445, 74890, 82379, 127313, 149780, 164758, 254626, 329516, 411895, 509252, 636565, 823790, 1273130, 1400443, 1647580, 2546260, 2800886, 5601772, 7002215, 14004430, 28008860]

約数ペア:

[(1, 28008860), (2, 14004430), (4, 7002215), (5, 5601772), (10, 2800886), (11, 2546260), (17, 1647580), (20, 1400443), (22, 1273130), (34, 823790), (44, 636565), (55, 509252), (68, 411895), (85, 329516), (110, 254626), (170, 164758), (187, 149780), (220, 127313), (340, 82379), (374, 74890), (748, 37445), (935, 29956), (1870, 14978), (3740, 7489)]