99804880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{178223}}^1$

素因数の和:178243

約数の個数: 40

約数和(自身を含む): 265197312

約数和(自身を除く): 165392432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 178223, 356446, 712892, 891115, 1247561, 1425784, 1782230, 2495122, 2851568, 3564460, 4990244, 6237805, 7128920, 9980488, 12475610, 14257840, 19960976, 24951220, 49902440, 99804880]

約数ペア:

[(1, 99804880), (2, 49902440), (4, 24951220), (5, 19960976), (7, 14257840), (8, 12475610), (10, 9980488), (14, 7128920), (16, 6237805), (20, 4990244), (28, 3564460), (35, 2851568), (40, 2495122), (56, 1782230), (70, 1425784), (80, 1247561), (112, 891115), (140, 712892), (280, 356446), (560, 178223)]