284013640

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{25633}}^1$

素因数の和:25921

約数の個数: 32

約数和(自身を含む): 641362680

約数和(自身を除く): 357349040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 25633, 51266, 102532, 128165, 205064, 256330, 512660, 1025320, 7100341, 14200682, 28401364, 35501705, 56802728, 71003410, 142006820, 284013640]

約数ペア:

[(1, 284013640), (2, 142006820), (4, 71003410), (5, 56802728), (8, 35501705), (10, 28401364), (20, 14200682), (40, 7100341), (277, 1025320), (554, 512660), (1108, 256330), (1385, 205064), (2216, 128165), (2770, 102532), (5540, 51266), (11080, 25633)]