284604880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{508223}}^1$

素因数の和:508243

約数の個数: 40

約数和(自身を含む): 756237312

約数和(自身を除く): 471632432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 508223, 1016446, 2032892, 2541115, 3557561, 4065784, 5082230, 7115122, 8131568, 10164460, 14230244, 17787805, 20328920, 28460488, 35575610, 40657840, 56920976, 71151220, 142302440, 284604880]

約数ペア:

[(1, 284604880), (2, 142302440), (4, 71151220), (5, 56920976), (7, 40657840), (8, 35575610), (10, 28460488), (14, 20328920), (16, 17787805), (20, 14230244), (28, 10164460), (35, 8131568), (40, 7115122), (56, 5082230), (70, 4065784), (80, 3557561), (112, 2541115), (140, 2032892), (280, 1016446), (560, 508223)]