38239180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3847}}^1$

素因数の和:3934

約数の個数: 48

約数和(自身を含む): 93090816

約数和(自身を除く): 54851636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 3847, 4970, 7694, 9940, 15388, 19235, 26929, 38470, 53858, 76940, 107716, 134645, 269290, 273137, 538580, 546274, 1092548, 1365685, 1911959, 2731370, 3823918, 5462740, 7647836, 9559795, 19119590, 38239180]

約数ペア:

[(1, 38239180), (2, 19119590), (4, 9559795), (5, 7647836), (7, 5462740), (10, 3823918), (14, 2731370), (20, 1911959), (28, 1365685), (35, 1092548), (70, 546274), (71, 538580), (140, 273137), (142, 269290), (284, 134645), (355, 107716), (497, 76940), (710, 53858), (994, 38470), (1420, 26929), (1988, 19235), (2485, 15388), (3847, 9940), (4970, 7694)]