3813880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 10031040

約数和(自身を除く): 6217160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 257, 265, 280, 371, 424, 514, 530, 742, 1028, 1060, 1285, 1484, 1799, 1855, 2056, 2120, 2570, 2968, 3598, 3710, 5140, 7196, 7420, 8995, 10280, 13621, 14392, 14840, 17990, 27242, 35980, 54484, 68105, 71960, 95347, 108968, 136210, 190694, 272420, 381388, 476735, 544840, 762776, 953470, 1906940, 3813880]

約数ペア:

[(1, 3813880), (2, 1906940), (4, 953470), (5, 762776), (7, 544840), (8, 476735), (10, 381388), (14, 272420), (20, 190694), (28, 136210), (35, 108968), (40, 95347), (53, 71960), (56, 68105), (70, 54484), (106, 35980), (140, 27242), (212, 17990), (257, 14840), (265, 14392), (280, 13621), (371, 10280), (424, 8995), (514, 7420), (530, 7196), (742, 5140), (1028, 3710), (1060, 3598), (1285, 2968), (1484, 2570), (1799, 2120), (1855, 2056)]