289329880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44927}}^1$

素因数の和:44968

約数の個数: 64

約数和(自身を含む): 776355840

約数和(自身を除く): 487025960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 44927, 89854, 179708, 224635, 314489, 359416, 449270, 628978, 898540, 1033321, 1257956, 1572445, 1797080, 2066642, 2515912, 3144890, 4133284, 5166605, 6289780, 7233247, 8266568, 10333210, 12579560, 14466494, 20666420, 28932988, 36166235, 41332840, 57865976, 72332470, 144664940, 289329880]

約数ペア:

[(1, 289329880), (2, 144664940), (4, 72332470), (5, 57865976), (7, 41332840), (8, 36166235), (10, 28932988), (14, 20666420), (20, 14466494), (23, 12579560), (28, 10333210), (35, 8266568), (40, 7233247), (46, 6289780), (56, 5166605), (70, 4133284), (92, 3144890), (115, 2515912), (140, 2066642), (161, 1797080), (184, 1572445), (230, 1257956), (280, 1033321), (322, 898540), (460, 628978), (644, 449270), (805, 359416), (920, 314489), (1288, 224635), (1610, 179708), (3220, 89854), (6440, 44927)]