399931103620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2621}}^1\times {\mathrm{177427}}^1$

素因数の和:180100

約数の個数: 48

約数和(自身を含む): 859719567168

約数和(自身を除く): 459788463548

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2621, 5242, 10484, 13105, 26210, 52420, 112703, 177427, 225406, 354854, 450812, 563515, 709708, 887135, 1127030, 1774270, 2254060, 3548540, 7629361, 15258722, 30517444, 38146805, 76293610, 152587220, 465036167, 930072334, 1860144668, 2325180835, 4650361670, 9300723340, 19996555181, 39993110362, 79986220724, 99982775905, 199965551810, 399931103620]

約数ペア:

[(1, 399931103620), (2, 199965551810), (4, 99982775905), (5, 79986220724), (10, 39993110362), (20, 19996555181), (43, 9300723340), (86, 4650361670), (172, 2325180835), (215, 1860144668), (430, 930072334), (860, 465036167), (2621, 152587220), (5242, 76293610), (10484, 38146805), (13105, 30517444), (26210, 15258722), (52420, 7629361), (112703, 3548540), (177427, 2254060), (225406, 1774270), (354854, 1127030), (450812, 887135), (563515, 709708)]