219745280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:449

約数の個数: 88

約数和(自身を含む): 532351008

約数和(自身を除く): 312605728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 257, 320, 334, 512, 514, 640, 668, 835, 1024, 1028, 1280, 1285, 1336, 1670, 2056, 2560, 2570, 2672, 3340, 4112, 5120, 5140, 5344, 6680, 8224, 10280, 10688, 13360, 16448, 20560, 21376, 26720, 32896, 41120, 42752, 42919, 53440, 65792, 82240, 85504, 85838, 106880, 131584, 164480, 171008, 171676, 213760, 214595, 263168, 328960, 343352, 427520, 429190, 657920, 686704, 855040, 858380, 1315840, 1373408, 1716760, 2746816, 3433520, 5493632, 6867040, 10987264, 13734080, 21974528, 27468160, 43949056, 54936320, 109872640, 219745280]

約数ペア:

[(1, 219745280), (2, 109872640), (4, 54936320), (5, 43949056), (8, 27468160), (10, 21974528), (16, 13734080), (20, 10987264), (32, 6867040), (40, 5493632), (64, 3433520), (80, 2746816), (128, 1716760), (160, 1373408), (167, 1315840), (256, 858380), (257, 855040), (320, 686704), (334, 657920), (512, 429190), (514, 427520), (640, 343352), (668, 328960), (835, 263168), (1024, 214595), (1028, 213760), (1280, 171676), (1285, 171008), (1336, 164480), (1670, 131584), (2056, 106880), (2560, 85838), (2570, 85504), (2672, 82240), (3340, 65792), (4112, 53440), (5120, 42919), (5140, 42752), (5344, 41120), (6680, 32896), (8224, 26720), (10280, 21376), (10688, 20560), (13360, 16448)]