291886640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28729}}^1$

素因数の和:28869

約数の個数: 40

約数和(自身を含む): 684003840

約数和(自身を除く): 392117200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 28729, 57458, 114916, 143645, 229832, 287290, 459664, 574580, 1149160, 2298320, 3648583, 7297166, 14594332, 18242915, 29188664, 36485830, 58377328, 72971660, 145943320, 291886640]

約数ペア:

[(1, 291886640), (2, 145943320), (4, 72971660), (5, 58377328), (8, 36485830), (10, 29188664), (16, 18242915), (20, 14594332), (40, 7297166), (80, 3648583), (127, 2298320), (254, 1149160), (508, 574580), (635, 459664), (1016, 287290), (1270, 229832), (2032, 143645), (2540, 114916), (5080, 57458), (10160, 28729)]