214891520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:138

約数の個数: 132

約数和(自身を含む): 554409480

約数和(自身を除く): 339517960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 152, 160, 188, 190, 235, 256, 304, 320, 376, 380, 470, 512, 608, 640, 752, 760, 893, 940, 1024, 1216, 1280, 1504, 1520, 1786, 1880, 2209, 2432, 2560, 3008, 3040, 3572, 3760, 4418, 4465, 4864, 5120, 6016, 6080, 7144, 7520, 8836, 8930, 9728, 11045, 12032, 12160, 14288, 15040, 17672, 17860, 19456, 22090, 24064, 24320, 28576, 30080, 35344, 35720, 41971, 44180, 48128, 48640, 57152, 60160, 70688, 71440, 83942, 88360, 97280, 114304, 120320, 141376, 142880, 167884, 176720, 209855, 228608, 240640, 282752, 285760, 335768, 353440, 419710, 457216, 565504, 571520, 671536, 706880, 839420, 914432, 1131008, 1143040, 1343072, 1413760, 1678840, 2262016, 2286080, 2686144, 2827520, 3357680, 4572160, 5372288, 5655040, 6715360, 10744576, 11310080, 13430720, 21489152, 26861440, 42978304, 53722880, 107445760, 214891520]

約数ペア:

[(1, 214891520), (2, 107445760), (4, 53722880), (5, 42978304), (8, 26861440), (10, 21489152), (16, 13430720), (19, 11310080), (20, 10744576), (32, 6715360), (38, 5655040), (40, 5372288), (47, 4572160), (64, 3357680), (76, 2827520), (80, 2686144), (94, 2286080), (95, 2262016), (128, 1678840), (152, 1413760), (160, 1343072), (188, 1143040), (190, 1131008), (235, 914432), (256, 839420), (304, 706880), (320, 671536), (376, 571520), (380, 565504), (470, 457216), (512, 419710), (608, 353440), (640, 335768), (752, 285760), (760, 282752), (893, 240640), (940, 228608), (1024, 209855), (1216, 176720), (1280, 167884), (1504, 142880), (1520, 141376), (1786, 120320), (1880, 114304), (2209, 97280), (2432, 88360), (2560, 83942), (3008, 71440), (3040, 70688), (3572, 60160), (3760, 57152), (4418, 48640), (4465, 48128), (4864, 44180), (5120, 41971), (6016, 35720), (6080, 35344), (7144, 30080), (7520, 28576), (8836, 24320), (8930, 24064), (9728, 22090), (11045, 19456), (12032, 17860), (12160, 17672), (14288, 15040)]