287632280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{553139}}^1$

素因数の和:553163

約数の個数: 32

約数和(自身を含む): 696956400

約数和(自身を除く): 409324120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 553139, 1106278, 2212556, 2765695, 4425112, 5531390, 7190807, 11062780, 14381614, 22125560, 28763228, 35954035, 57526456, 71908070, 143816140, 287632280]

約数ペア:

[(1, 287632280), (2, 143816140), (4, 71908070), (5, 57526456), (8, 35954035), (10, 28763228), (13, 22125560), (20, 14381614), (26, 11062780), (40, 7190807), (52, 5531390), (65, 4425112), (104, 2765695), (130, 2212556), (260, 1106278), (520, 553139)]