211025920

素因数分解:

$2^{18}\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 152

約数和(自身を含む): 603978624

約数和(自身を除く): 392952704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 512, 560, 640, 644, 736, 805, 896, 920, 1024, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 2048, 2240, 2560, 2576, 2944, 3220, 3584, 3680, 4096, 4480, 5120, 5152, 5888, 6440, 7168, 7360, 8192, 8960, 10240, 10304, 11776, 12880, 14336, 14720, 16384, 17920, 20480, 20608, 23552, 25760, 28672, 29440, 32768, 35840, 40960, 41216, 47104, 51520, 57344, 58880, 65536, 71680, 81920, 82432, 94208, 103040, 114688, 117760, 131072, 143360, 163840, 164864, 188416, 206080, 229376, 235520, 262144, 286720, 327680, 329728, 376832, 412160, 458752, 471040, 573440, 655360, 659456, 753664, 824320, 917504, 942080, 1146880, 1310720, 1318912, 1507328, 1648640, 1835008, 1884160, 2293760, 2637824, 3014656, 3297280, 3768320, 4587520, 5275648, 6029312, 6594560, 7536640, 9175040, 10551296, 13189120, 15073280, 21102592, 26378240, 30146560, 42205184, 52756480, 105512960, 211025920]

約数ペア:

[(1, 211025920), (2, 105512960), (4, 52756480), (5, 42205184), (7, 30146560), (8, 26378240), (10, 21102592), (14, 15073280), (16, 13189120), (20, 10551296), (23, 9175040), (28, 7536640), (32, 6594560), (35, 6029312), (40, 5275648), (46, 4587520), (56, 3768320), (64, 3297280), (70, 3014656), (80, 2637824), (92, 2293760), (112, 1884160), (115, 1835008), (128, 1648640), (140, 1507328), (160, 1318912), (161, 1310720), (184, 1146880), (224, 942080), (230, 917504), (256, 824320), (280, 753664), (320, 659456), (322, 655360), (368, 573440), (448, 471040), (460, 458752), (512, 412160), (560, 376832), (640, 329728), (644, 327680), (736, 286720), (805, 262144), (896, 235520), (920, 229376), (1024, 206080), (1120, 188416), (1280, 164864), (1288, 163840), (1472, 143360), (1610, 131072), (1792, 117760), (1840, 114688), (2048, 103040), (2240, 94208), (2560, 82432), (2576, 81920), (2944, 71680), (3220, 65536), (3584, 58880), (3680, 57344), (4096, 51520), (4480, 47104), (5120, 41216), (5152, 40960), (5888, 35840), (6440, 32768), (7168, 29440), (7360, 28672), (8192, 25760), (8960, 23552), (10240, 20608), (10304, 20480), (11776, 17920), (12880, 16384), (14336, 14720)]