290362640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28579}}^1$

素因数の和:28719

約数の個数: 40

約数和(自身を含む): 680432640

約数和(自身を除く): 390070000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 28579, 57158, 114316, 142895, 228632, 285790, 457264, 571580, 1143160, 2286320, 3629533, 7259066, 14518132, 18147665, 29036264, 36295330, 58072528, 72590660, 145181320, 290362640]

約数ペア:

[(1, 290362640), (2, 145181320), (4, 72590660), (5, 58072528), (8, 36295330), (10, 29036264), (16, 18147665), (20, 14518132), (40, 7259066), (80, 3629533), (127, 2286320), (254, 1143160), (508, 571580), (635, 457264), (1016, 285790), (1270, 228632), (2032, 142895), (2540, 114316), (5080, 57158), (10160, 28579)]