287260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 616896

約数和(自身を除く): 329636

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 271, 530, 542, 1060, 1084, 1355, 2710, 5420, 14363, 28726, 57452, 71815, 143630, 287260]

約数ペア:

[(1, 287260), (2, 143630), (4, 71815), (5, 57452), (10, 28726), (20, 14363), (53, 5420), (106, 2710), (212, 1355), (265, 1084), (271, 1060), (530, 542)]