13738760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 35683200

約数和(自身を除く): 21944440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 353, 556, 695, 706, 973, 1112, 1390, 1412, 1765, 1946, 2471, 2780, 2824, 3530, 3892, 4865, 4942, 5560, 7060, 7784, 9730, 9884, 12355, 14120, 19460, 19768, 24710, 38920, 49067, 49420, 98134, 98840, 196268, 245335, 343469, 392536, 490670, 686938, 981340, 1373876, 1717345, 1962680, 2747752, 3434690, 6869380, 13738760]

約数ペア:

[(1, 13738760), (2, 6869380), (4, 3434690), (5, 2747752), (7, 1962680), (8, 1717345), (10, 1373876), (14, 981340), (20, 686938), (28, 490670), (35, 392536), (40, 343469), (56, 245335), (70, 196268), (139, 98840), (140, 98134), (278, 49420), (280, 49067), (353, 38920), (556, 24710), (695, 19768), (706, 19460), (973, 14120), (1112, 12355), (1390, 9884), (1412, 9730), (1765, 7784), (1946, 7060), (2471, 5560), (2780, 4942), (2824, 4865), (3530, 3892)]