251295590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1019}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 559319040

約数和(自身を除く): 308023450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 271, 455, 542, 910, 1019, 1355, 1897, 2038, 2710, 3523, 3794, 5095, 7046, 7133, 9485, 10190, 13247, 14266, 17615, 18970, 24661, 26494, 35230, 35665, 49322, 66235, 71330, 92729, 123305, 132470, 185458, 246610, 276149, 463645, 552298, 927290, 1380745, 1933043, 2761490, 3589937, 3866086, 7179874, 9665215, 17949685, 19330430, 25129559, 35899370, 50259118, 125647795, 251295590]

約数ペア:

[(1, 251295590), (2, 125647795), (5, 50259118), (7, 35899370), (10, 25129559), (13, 19330430), (14, 17949685), (26, 9665215), (35, 7179874), (65, 3866086), (70, 3589937), (91, 2761490), (130, 1933043), (182, 1380745), (271, 927290), (455, 552298), (542, 463645), (910, 276149), (1019, 246610), (1355, 185458), (1897, 132470), (2038, 123305), (2710, 92729), (3523, 71330), (3794, 66235), (5095, 49322), (7046, 35665), (7133, 35230), (9485, 26494), (10190, 24661), (13247, 18970), (14266, 17615)]