28442810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 32382790

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 439, 589, 682, 878, 1045, 1178, 1705, 2090, 2195, 2945, 3410, 4390, 4829, 5890, 6479, 8341, 9658, 12958, 13609, 16682, 24145, 27218, 32395, 41705, 48290, 64790, 68045, 83410, 91751, 136090, 149699, 183502, 258571, 299398, 458755, 517142, 748495, 917510, 1292855, 1496990, 2585710, 2844281, 5688562, 14221405, 28442810]

約数ペア:

[(1, 28442810), (2, 14221405), (5, 5688562), (10, 2844281), (11, 2585710), (19, 1496990), (22, 1292855), (31, 917510), (38, 748495), (55, 517142), (62, 458755), (95, 299398), (110, 258571), (155, 183502), (190, 149699), (209, 136090), (310, 91751), (341, 83410), (418, 68045), (439, 64790), (589, 48290), (682, 41705), (878, 32395), (1045, 27218), (1178, 24145), (1705, 16682), (2090, 13609), (2195, 12958), (2945, 9658), (3410, 8341), (4390, 6479), (4829, 5890)]