1990262008

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{757}}^1$

素因数の和:1149

約数の個数: 96

約数和(自身を含む): 4588477200

約数和(自身を除く): 2598215192

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 353, 392, 532, 706, 757, 931, 1064, 1412, 1514, 1862, 2471, 2824, 3028, 3724, 4942, 5299, 6056, 6707, 7448, 9884, 10598, 13414, 14383, 17297, 19768, 21196, 26828, 28766, 34594, 37093, 42392, 46949, 53656, 57532, 69188, 74186, 93898, 100681, 115064, 138376, 148372, 187796, 201362, 267221, 296744, 328643, 375592, 402724, 534442, 657286, 704767, 805448, 1068884, 1314572, 1409534, 1870547, 2137768, 2629144, 2819068, 3741094, 5077199, 5638136, 7482188, 10154398, 13093829, 14964376, 20308796, 26187658, 35540393, 40617592, 52375316, 71080786, 104750632, 142161572, 248782751, 284323144, 497565502, 995131004, 1990262008]

約数ペア:

[(1, 1990262008), (2, 995131004), (4, 497565502), (7, 284323144), (8, 248782751), (14, 142161572), (19, 104750632), (28, 71080786), (38, 52375316), (49, 40617592), (56, 35540393), (76, 26187658), (98, 20308796), (133, 14964376), (152, 13093829), (196, 10154398), (266, 7482188), (353, 5638136), (392, 5077199), (532, 3741094), (706, 2819068), (757, 2629144), (931, 2137768), (1064, 1870547), (1412, 1409534), (1514, 1314572), (1862, 1068884), (2471, 805448), (2824, 704767), (3028, 657286), (3724, 534442), (4942, 402724), (5299, 375592), (6056, 328643), (6707, 296744), (7448, 267221), (9884, 201362), (10598, 187796), (13414, 148372), (14383, 138376), (17297, 115064), (19768, 100681), (21196, 93898), (26828, 74186), (28766, 69188), (34594, 57532), (37093, 53656), (42392, 46949)]