217169920

素因数分解:

$2^{14}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 570932208

約数和(自身を除く): 353762288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 241, 256, 320, 352, 440, 482, 512, 640, 704, 880, 964, 1024, 1205, 1280, 1408, 1760, 1928, 2048, 2410, 2560, 2651, 2816, 3520, 3856, 4096, 4820, 5120, 5302, 5632, 7040, 7712, 8192, 9640, 10240, 10604, 11264, 13255, 14080, 15424, 16384, 19280, 20480, 21208, 22528, 26510, 28160, 30848, 38560, 40960, 42416, 45056, 53020, 56320, 61696, 77120, 81920, 84832, 90112, 106040, 112640, 123392, 154240, 169664, 180224, 212080, 225280, 246784, 308480, 339328, 424160, 450560, 493568, 616960, 678656, 848320, 901120, 987136, 1233920, 1357312, 1696640, 1974272, 2467840, 2714624, 3393280, 3948544, 4935680, 5429248, 6786560, 9871360, 10858496, 13573120, 19742720, 21716992, 27146240, 43433984, 54292480, 108584960, 217169920]

約数ペア:

[(1, 217169920), (2, 108584960), (4, 54292480), (5, 43433984), (8, 27146240), (10, 21716992), (11, 19742720), (16, 13573120), (20, 10858496), (22, 9871360), (32, 6786560), (40, 5429248), (44, 4935680), (55, 3948544), (64, 3393280), (80, 2714624), (88, 2467840), (110, 1974272), (128, 1696640), (160, 1357312), (176, 1233920), (220, 987136), (241, 901120), (256, 848320), (320, 678656), (352, 616960), (440, 493568), (482, 450560), (512, 424160), (640, 339328), (704, 308480), (880, 246784), (964, 225280), (1024, 212080), (1205, 180224), (1280, 169664), (1408, 154240), (1760, 123392), (1928, 112640), (2048, 106040), (2410, 90112), (2560, 84832), (2651, 81920), (2816, 77120), (3520, 61696), (3856, 56320), (4096, 53020), (4820, 45056), (5120, 42416), (5302, 40960), (5632, 38560), (7040, 30848), (7712, 28160), (8192, 26510), (9640, 22528), (10240, 21208), (10604, 20480), (11264, 19280), (13255, 16384), (14080, 15424)]