1900201424

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{491}}^1\times {\mathrm{1999}}^1$

素因数の和:2520

約数の個数: 60

約数和(自身を含む): 4057032000

約数和(自身を除く): 2156830576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 491, 968, 982, 1936, 1964, 1999, 3928, 3998, 5401, 7856, 7996, 10802, 15992, 21604, 21989, 31984, 43208, 43978, 59411, 86416, 87956, 118822, 175912, 237644, 241879, 351824, 475288, 483758, 950576, 967516, 981509, 1935032, 1963018, 3870064, 3926036, 7852072, 10796599, 15704144, 21593198, 43186396, 86372792, 118762589, 172745584, 237525178, 475050356, 950100712, 1900201424]

約数ペア:

[(1, 1900201424), (2, 950100712), (4, 475050356), (8, 237525178), (11, 172745584), (16, 118762589), (22, 86372792), (44, 43186396), (88, 21593198), (121, 15704144), (176, 10796599), (242, 7852072), (484, 3926036), (491, 3870064), (968, 1963018), (982, 1935032), (1936, 981509), (1964, 967516), (1999, 950576), (3928, 483758), (3998, 475288), (5401, 351824), (7856, 241879), (7996, 237644), (10802, 175912), (15992, 118822), (21604, 87956), (21989, 86416), (31984, 59411), (43208, 43978)]