74768820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178021}}^1$

素因数の和:178040

約数の個数: 48

約数和(自身を含む): 239261568

約数和(自身を除く): 164492748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 178021, 356042, 534063, 712084, 890105, 1068126, 1246147, 1780210, 2136252, 2492294, 2670315, 3560420, 3738441, 4984588, 5340630, 6230735, 7476882, 10681260, 12461470, 14953764, 18692205, 24922940, 37384410, 74768820]

約数ペア:

[(1, 74768820), (2, 37384410), (3, 24922940), (4, 18692205), (5, 14953764), (6, 12461470), (7, 10681260), (10, 7476882), (12, 6230735), (14, 5340630), (15, 4984588), (20, 3738441), (21, 3560420), (28, 2670315), (30, 2492294), (35, 2136252), (42, 1780210), (60, 1246147), (70, 1068126), (84, 890105), (105, 712084), (140, 534063), (210, 356042), (420, 178021)]