287291290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{200903}}^1$

素因数の和:200934

約数の個数: 32

約数和(自身を含む): 607533696

約数和(自身を除く): 320242406

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 200903, 401806, 1004515, 2009030, 2209933, 2611739, 4419866, 5223478, 11049665, 13058695, 22099330, 26117390, 28729129, 57458258, 143645645, 287291290]

約数ペア:

[(1, 287291290), (2, 143645645), (5, 57458258), (10, 28729129), (11, 26117390), (13, 22099330), (22, 13058695), (26, 11049665), (55, 5223478), (65, 4419866), (110, 2611739), (130, 2209933), (143, 2009030), (286, 1004515), (715, 401806), (1430, 200903)]