228268520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{335689}}^1$

素因数の和:335717

約数の個数: 32

約数和(自身を含む): 543817800

約数和(自身を除く): 315549280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 335689, 671378, 1342756, 1678445, 2685512, 3356890, 5706713, 6713780, 11413426, 13427560, 22826852, 28533565, 45653704, 57067130, 114134260, 228268520]

約数ペア:

[(1, 228268520), (2, 114134260), (4, 57067130), (5, 45653704), (8, 28533565), (10, 22826852), (17, 13427560), (20, 11413426), (34, 6713780), (40, 5706713), (68, 3356890), (85, 2685512), (136, 1678445), (170, 1342756), (340, 671378), (680, 335689)]