248668520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{365689}}^1$

素因数の和:365717

約数の個数: 32

約数和(自身を含む): 592417800

約数和(自身を除く): 343749280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 365689, 731378, 1462756, 1828445, 2925512, 3656890, 6216713, 7313780, 12433426, 14627560, 24866852, 31083565, 49733704, 62167130, 124334260, 248668520]

約数ペア:

[(1, 248668520), (2, 124334260), (4, 62167130), (5, 49733704), (8, 31083565), (10, 24866852), (17, 14627560), (20, 12433426), (34, 7313780), (40, 6216713), (68, 3656890), (85, 2925512), (136, 1828445), (170, 1462756), (340, 731378), (680, 365689)]