321904940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{56081}}^1$

素因数の和:56138

約数の個数: 48

約数和(自身を含む): 791429184

約数和(自身を除く): 469524244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 56081, 112162, 224324, 280405, 392567, 560810, 785134, 1121620, 1570268, 1962835, 2299321, 3925670, 4598642, 7851340, 9197284, 11496605, 16095247, 22993210, 32190494, 45986420, 64380988, 80476235, 160952470, 321904940]

約数ペア:

[(1, 321904940), (2, 160952470), (4, 80476235), (5, 64380988), (7, 45986420), (10, 32190494), (14, 22993210), (20, 16095247), (28, 11496605), (35, 9197284), (41, 7851340), (70, 4598642), (82, 3925670), (140, 2299321), (164, 1962835), (205, 1570268), (287, 1121620), (410, 785134), (574, 560810), (820, 392567), (1148, 280405), (1435, 224324), (2870, 112162), (5740, 56081)]