4065740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 9882432

約数和(自身を除く): 5816692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 257, 452, 514, 565, 791, 1028, 1130, 1285, 1582, 1799, 2260, 2570, 3164, 3598, 3955, 5140, 7196, 7910, 8995, 15820, 17990, 29041, 35980, 58082, 116164, 145205, 203287, 290410, 406574, 580820, 813148, 1016435, 2032870, 4065740]

約数ペア:

[(1, 4065740), (2, 2032870), (4, 1016435), (5, 813148), (7, 580820), (10, 406574), (14, 290410), (20, 203287), (28, 145205), (35, 116164), (70, 58082), (113, 35980), (140, 29041), (226, 17990), (257, 15820), (452, 8995), (514, 7910), (565, 7196), (791, 5140), (1028, 3955), (1130, 3598), (1285, 3164), (1582, 2570), (1799, 2260)]