88776520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2281}}^1$

素因数の和:2438

約数の個数: 64

約数和(自身を含む): 230025600

約数和(自身を除く): 141249080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2281, 2780, 3892, 4562, 4865, 5560, 7784, 9124, 9730, 11405, 15967, 18248, 19460, 22810, 31934, 38920, 45620, 63868, 79835, 91240, 127736, 159670, 317059, 319340, 634118, 638680, 1268236, 1585295, 2219413, 2536472, 3170590, 4438826, 6341180, 8877652, 11097065, 12682360, 17755304, 22194130, 44388260, 88776520]

約数ペア:

[(1, 88776520), (2, 44388260), (4, 22194130), (5, 17755304), (7, 12682360), (8, 11097065), (10, 8877652), (14, 6341180), (20, 4438826), (28, 3170590), (35, 2536472), (40, 2219413), (56, 1585295), (70, 1268236), (139, 638680), (140, 634118), (278, 319340), (280, 317059), (556, 159670), (695, 127736), (973, 91240), (1112, 79835), (1390, 63868), (1946, 45620), (2281, 38920), (2780, 31934), (3892, 22810), (4562, 19460), (4865, 18248), (5560, 15967), (7784, 11405), (9124, 9730)]