513802240

素因数分解:

$2^{21}\times 5^1\times 7^2$

素因数の和:61

約数の個数: 132

約数和(自身を含む): 1434451626

約数和(自身を除く): 920649386

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1792, 1960, 2048, 2240, 2560, 3136, 3584, 3920, 4096, 4480, 5120, 6272, 7168, 7840, 8192, 8960, 10240, 12544, 14336, 15680, 16384, 17920, 20480, 25088, 28672, 31360, 32768, 35840, 40960, 50176, 57344, 62720, 65536, 71680, 81920, 100352, 114688, 125440, 131072, 143360, 163840, 200704, 229376, 250880, 262144, 286720, 327680, 401408, 458752, 501760, 524288, 573440, 655360, 802816, 917504, 1003520, 1048576, 1146880, 1310720, 1605632, 1835008, 2007040, 2097152, 2293760, 2621440, 3211264, 3670016, 4014080, 4587520, 5242880, 6422528, 7340032, 8028160, 9175040, 10485760, 12845056, 14680064, 16056320, 18350080, 25690112, 32112640, 36700160, 51380224, 64225280, 73400320, 102760448, 128450560, 256901120, 513802240]

約数ペア:

[(1, 513802240), (2, 256901120), (4, 128450560), (5, 102760448), (7, 73400320), (8, 64225280), (10, 51380224), (14, 36700160), (16, 32112640), (20, 25690112), (28, 18350080), (32, 16056320), (35, 14680064), (40, 12845056), (49, 10485760), (56, 9175040), (64, 8028160), (70, 7340032), (80, 6422528), (98, 5242880), (112, 4587520), (128, 4014080), (140, 3670016), (160, 3211264), (196, 2621440), (224, 2293760), (245, 2097152), (256, 2007040), (280, 1835008), (320, 1605632), (392, 1310720), (448, 1146880), (490, 1048576), (512, 1003520), (560, 917504), (640, 802816), (784, 655360), (896, 573440), (980, 524288), (1024, 501760), (1120, 458752), (1280, 401408), (1568, 327680), (1792, 286720), (1960, 262144), (2048, 250880), (2240, 229376), (2560, 200704), (3136, 163840), (3584, 143360), (3920, 131072), (4096, 125440), (4480, 114688), (5120, 100352), (6272, 81920), (7168, 71680), (7840, 65536), (8192, 62720), (8960, 57344), (10240, 50176), (12544, 40960), (14336, 35840), (15680, 32768), (16384, 31360), (17920, 28672), (20480, 25088)]