1914920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{977}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 5017140

約数和(自身を除く): 3102220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 977, 980, 1954, 1960, 3908, 4885, 6839, 7816, 9770, 13678, 19540, 27356, 34195, 39080, 47873, 54712, 68390, 95746, 136780, 191492, 239365, 273560, 382984, 478730, 957460, 1914920]

約数ペア:

[(1, 1914920), (2, 957460), (4, 478730), (5, 382984), (7, 273560), (8, 239365), (10, 191492), (14, 136780), (20, 95746), (28, 68390), (35, 54712), (40, 47873), (49, 39080), (56, 34195), (70, 27356), (98, 19540), (140, 13678), (196, 9770), (245, 7816), (280, 6839), (392, 4885), (490, 3908), (977, 1960), (980, 1954)]