217896440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 503193600

約数和(自身を除く): 285297160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 127, 236, 254, 295, 472, 508, 590, 635, 727, 1016, 1180, 1270, 1454, 2360, 2540, 2908, 3635, 5080, 5816, 7270, 7493, 14540, 14986, 29080, 29972, 37465, 42893, 59944, 74930, 85786, 92329, 149860, 171572, 184658, 214465, 299720, 343144, 369316, 428930, 461645, 738632, 857860, 923290, 1715720, 1846580, 3693160, 5447411, 10894822, 21789644, 27237055, 43579288, 54474110, 108948220, 217896440]

約数ペア:

[(1, 217896440), (2, 108948220), (4, 54474110), (5, 43579288), (8, 27237055), (10, 21789644), (20, 10894822), (40, 5447411), (59, 3693160), (118, 1846580), (127, 1715720), (236, 923290), (254, 857860), (295, 738632), (472, 461645), (508, 428930), (590, 369316), (635, 343144), (727, 299720), (1016, 214465), (1180, 184658), (1270, 171572), (1454, 149860), (2360, 92329), (2540, 85786), (2908, 74930), (3635, 59944), (5080, 42893), (5816, 37465), (7270, 29972), (7493, 29080), (14540, 14986)]