1557631940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{3559}}^1$

素因数の和:3924

約数の個数: 48

約数和(自身を含む): 3325324800

約数和(自身を除く): 1767692860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 277, 316, 395, 554, 790, 1108, 1385, 1580, 2770, 3559, 5540, 7118, 14236, 17795, 21883, 35590, 43766, 71180, 87532, 109415, 218830, 281161, 437660, 562322, 985843, 1124644, 1405805, 1971686, 2811610, 3943372, 4929215, 5623220, 9858430, 19716860, 77881597, 155763194, 311526388, 389407985, 778815970, 1557631940]

約数ペア:

[(1, 1557631940), (2, 778815970), (4, 389407985), (5, 311526388), (10, 155763194), (20, 77881597), (79, 19716860), (158, 9858430), (277, 5623220), (316, 4929215), (395, 3943372), (554, 2811610), (790, 1971686), (1108, 1405805), (1385, 1124644), (1580, 985843), (2770, 562322), (3559, 437660), (5540, 281161), (7118, 218830), (14236, 109415), (17795, 87532), (21883, 71180), (35590, 43766)]