219395120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{977}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 585016128

約数和(自身を除く): 365621008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 401, 560, 802, 977, 1604, 1954, 2005, 2807, 3208, 3908, 4010, 4885, 5614, 6416, 6839, 7816, 8020, 9770, 11228, 13678, 14035, 15632, 16040, 19540, 22456, 27356, 28070, 32080, 34195, 39080, 44912, 54712, 56140, 68390, 78160, 109424, 112280, 136780, 224560, 273560, 391777, 547120, 783554, 1567108, 1958885, 2742439, 3134216, 3917770, 5484878, 6268432, 7835540, 10969756, 13712195, 15671080, 21939512, 27424390, 31342160, 43879024, 54848780, 109697560, 219395120]

約数ペア:

[(1, 219395120), (2, 109697560), (4, 54848780), (5, 43879024), (7, 31342160), (8, 27424390), (10, 21939512), (14, 15671080), (16, 13712195), (20, 10969756), (28, 7835540), (35, 6268432), (40, 5484878), (56, 3917770), (70, 3134216), (80, 2742439), (112, 1958885), (140, 1567108), (280, 783554), (401, 547120), (560, 391777), (802, 273560), (977, 224560), (1604, 136780), (1954, 112280), (2005, 109424), (2807, 78160), (3208, 68390), (3908, 56140), (4010, 54712), (4885, 44912), (5614, 39080), (6416, 34195), (6839, 32080), (7816, 28070), (8020, 27356), (9770, 22456), (11228, 19540), (13678, 16040), (14035, 15632)]