289326320

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28477}}^1$

素因数の和:28617

約数の個数: 40

約数和(自身を含む): 678004224

約数和(自身を除く): 388677904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 28477, 56954, 113908, 142385, 227816, 284770, 455632, 569540, 1139080, 2278160, 3616579, 7233158, 14466316, 18082895, 28932632, 36165790, 57865264, 72331580, 144663160, 289326320]

約数ペア:

[(1, 289326320), (2, 144663160), (4, 72331580), (5, 57865264), (8, 36165790), (10, 28932632), (16, 18082895), (20, 14466316), (40, 7233158), (80, 3616579), (127, 2278160), (254, 1139080), (508, 569540), (635, 455632), (1016, 284770), (1270, 227816), (2032, 142385), (2540, 113908), (5080, 56954), (10160, 28477)]