289187840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:969

約数の個数: 96

約数和(自身を含む): 717050880

約数和(自身を除く): 427863040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 911, 992, 1024, 1240, 1280, 1822, 1984, 2048, 2480, 2560, 3644, 3968, 4555, 4960, 5120, 7288, 7936, 9110, 9920, 10240, 14576, 15872, 18220, 19840, 28241, 29152, 31744, 36440, 39680, 56482, 58304, 63488, 72880, 79360, 112964, 116608, 141205, 145760, 158720, 225928, 233216, 282410, 291520, 317440, 451856, 466432, 564820, 583040, 903712, 932864, 1129640, 1166080, 1807424, 1865728, 2259280, 2332160, 3614848, 4518560, 4664320, 7229696, 9037120, 9328640, 14459392, 18074240, 28918784, 36148480, 57837568, 72296960, 144593920, 289187840]

約数ペア:

[(1, 289187840), (2, 144593920), (4, 72296960), (5, 57837568), (8, 36148480), (10, 28918784), (16, 18074240), (20, 14459392), (31, 9328640), (32, 9037120), (40, 7229696), (62, 4664320), (64, 4518560), (80, 3614848), (124, 2332160), (128, 2259280), (155, 1865728), (160, 1807424), (248, 1166080), (256, 1129640), (310, 932864), (320, 903712), (496, 583040), (512, 564820), (620, 466432), (640, 451856), (911, 317440), (992, 291520), (1024, 282410), (1240, 233216), (1280, 225928), (1822, 158720), (1984, 145760), (2048, 141205), (2480, 116608), (2560, 112964), (3644, 79360), (3968, 72880), (4555, 63488), (4960, 58304), (5120, 56482), (7288, 39680), (7936, 36440), (9110, 31744), (9920, 29152), (10240, 28241), (14576, 19840), (15872, 18220)]