291265880

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{19841}}^1$

素因数の和:20219

約数の個数: 32

約数和(自身を含む): 657167040

約数和(自身を除く): 365901160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 14680, 19841, 39682, 79364, 99205, 158728, 198410, 396820, 793640, 7281647, 14563294, 29126588, 36408235, 58253176, 72816470, 145632940, 291265880]

約数ペア:

[(1, 291265880), (2, 145632940), (4, 72816470), (5, 58253176), (8, 36408235), (10, 29126588), (20, 14563294), (40, 7281647), (367, 793640), (734, 396820), (1468, 198410), (1835, 158728), (2936, 99205), (3670, 79364), (7340, 39682), (14680, 19841)]