64817690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{739}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 136663200

約数和(自身を除く): 71845510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 179, 245, 358, 490, 739, 895, 1253, 1478, 1790, 2506, 3695, 5173, 6265, 7390, 8771, 10346, 12530, 17542, 25865, 36211, 43855, 51730, 72422, 87710, 132281, 181055, 264562, 362110, 661405, 925967, 1322810, 1851934, 4629835, 6481769, 9259670, 12963538, 32408845, 64817690]

約数ペア:

[(1, 64817690), (2, 32408845), (5, 12963538), (7, 9259670), (10, 6481769), (14, 4629835), (35, 1851934), (49, 1322810), (70, 925967), (98, 661405), (179, 362110), (245, 264562), (358, 181055), (490, 132281), (739, 87710), (895, 72422), (1253, 51730), (1478, 43855), (1790, 36211), (2506, 25865), (3695, 17542), (5173, 12530), (6265, 10346), (7390, 8771)]