420090880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7459}}^1$

素因数の和:7495

約数の個数: 88

約数和(自身を含む): 1099484640

約数和(自身を除く): 679393760

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, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2560, 2816, 3520, 5120, 5632, 7040, 7459, 11264, 14080, 14918, 28160, 29836, 37295, 56320, 59672, 74590, 82049, 119344, 149180, 164098, 238688, 298360, 328196, 410245, 477376, 596720, 656392, 820490, 954752, 1193440, 1312784, 1640980, 1909504, 2386880, 2625568, 3281960, 3819008, 4773760, 5251136, 6563920, 7638016, 9547520, 10502272, 13127840, 19095040, 21004544, 26255680, 38190080, 42009088, 52511360, 84018176, 105022720, 210045440, 420090880]

約数ペア:

[(1, 420090880), (2, 210045440), (4, 105022720), (5, 84018176), (8, 52511360), (10, 42009088), (11, 38190080), (16, 26255680), (20, 21004544), (22, 19095040), (32, 13127840), (40, 10502272), (44, 9547520), (55, 7638016), (64, 6563920), (80, 5251136), (88, 4773760), (110, 3819008), (128, 3281960), (160, 2625568), (176, 2386880), (220, 1909504), (256, 1640980), (320, 1312784), (352, 1193440), (440, 954752), (512, 820490), (640, 656392), (704, 596720), (880, 477376), (1024, 410245), (1280, 328196), (1408, 298360), (1760, 238688), (2560, 164098), (2816, 149180), (3520, 119344), (5120, 82049), (5632, 74590), (7040, 59672), (7459, 56320), (11264, 37295), (14080, 29836), (14918, 28160)]