245167720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3407}}^1$

素因数の和:3682

約数の個数: 64

約数和(自身を含む): 633070080

約数和(自身を除く): 387902360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 1028, 1285, 1799, 2056, 2570, 3407, 3598, 5140, 6814, 7196, 8995, 10280, 13628, 14392, 17035, 17990, 23849, 27256, 34070, 35980, 47698, 68140, 71960, 95396, 119245, 136280, 190792, 238490, 476980, 875599, 953960, 1751198, 3502396, 4377995, 6129193, 7004792, 8755990, 12258386, 17511980, 24516772, 30645965, 35023960, 49033544, 61291930, 122583860, 245167720]

約数ペア:

[(1, 245167720), (2, 122583860), (4, 61291930), (5, 49033544), (7, 35023960), (8, 30645965), (10, 24516772), (14, 17511980), (20, 12258386), (28, 8755990), (35, 7004792), (40, 6129193), (56, 4377995), (70, 3502396), (140, 1751198), (257, 953960), (280, 875599), (514, 476980), (1028, 238490), (1285, 190792), (1799, 136280), (2056, 119245), (2570, 95396), (3407, 71960), (3598, 68140), (5140, 47698), (6814, 35980), (7196, 34070), (8995, 27256), (10280, 23849), (13628, 17990), (14392, 17035)]