291234560

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^2\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 719676048

約数和(自身を除く): 428441488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 103, 128, 160, 188, 206, 235, 256, 320, 376, 412, 470, 515, 640, 752, 824, 940, 1030, 1280, 1504, 1648, 1880, 2060, 2209, 3008, 3296, 3760, 4120, 4418, 4841, 6016, 6592, 7520, 8240, 8836, 9682, 11045, 12032, 13184, 15040, 16480, 17672, 19364, 22090, 24205, 26368, 30080, 32960, 35344, 38728, 44180, 48410, 60160, 65920, 70688, 77456, 88360, 96820, 131840, 141376, 154912, 176720, 193640, 227527, 282752, 309824, 353440, 387280, 455054, 565504, 619648, 706880, 774560, 910108, 1137635, 1239296, 1413760, 1549120, 1820216, 2275270, 2827520, 3098240, 3640432, 4550540, 6196480, 7280864, 9101080, 14561728, 18202160, 29123456, 36404320, 58246912, 72808640, 145617280, 291234560]

約数ペア:

[(1, 291234560), (2, 145617280), (4, 72808640), (5, 58246912), (8, 36404320), (10, 29123456), (16, 18202160), (20, 14561728), (32, 9101080), (40, 7280864), (47, 6196480), (64, 4550540), (80, 3640432), (94, 3098240), (103, 2827520), (128, 2275270), (160, 1820216), (188, 1549120), (206, 1413760), (235, 1239296), (256, 1137635), (320, 910108), (376, 774560), (412, 706880), (470, 619648), (515, 565504), (640, 455054), (752, 387280), (824, 353440), (940, 309824), (1030, 282752), (1280, 227527), (1504, 193640), (1648, 176720), (1880, 154912), (2060, 141376), (2209, 131840), (3008, 96820), (3296, 88360), (3760, 77456), (4120, 70688), (4418, 65920), (4841, 60160), (6016, 48410), (6592, 44180), (7520, 38728), (8240, 35344), (8836, 32960), (9682, 30080), (11045, 26368), (12032, 24205), (13184, 22090), (15040, 19364), (16480, 17672)]