251453440

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{877}}^1$

素因数の和:915

約数の個数: 112

約数和(自身を含む): 690445152

約数和(自身を除く): 438991712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 877, 896, 1024, 1120, 1280, 1754, 1792, 2048, 2240, 2560, 3508, 3584, 4096, 4385, 4480, 5120, 6139, 7016, 7168, 8192, 8770, 8960, 10240, 12278, 14032, 14336, 17540, 17920, 20480, 24556, 28064, 28672, 30695, 35080, 35840, 40960, 49112, 56128, 57344, 61390, 70160, 71680, 98224, 112256, 122780, 140320, 143360, 196448, 224512, 245560, 280640, 286720, 392896, 449024, 491120, 561280, 785792, 898048, 982240, 1122560, 1571584, 1796096, 1964480, 2245120, 3143168, 3592192, 3928960, 4490240, 6286336, 7184384, 7857920, 8980480, 12572672, 15715840, 17960960, 25145344, 31431680, 35921920, 50290688, 62863360, 125726720, 251453440]

約数ペア:

[(1, 251453440), (2, 125726720), (4, 62863360), (5, 50290688), (7, 35921920), (8, 31431680), (10, 25145344), (14, 17960960), (16, 15715840), (20, 12572672), (28, 8980480), (32, 7857920), (35, 7184384), (40, 6286336), (56, 4490240), (64, 3928960), (70, 3592192), (80, 3143168), (112, 2245120), (128, 1964480), (140, 1796096), (160, 1571584), (224, 1122560), (256, 982240), (280, 898048), (320, 785792), (448, 561280), (512, 491120), (560, 449024), (640, 392896), (877, 286720), (896, 280640), (1024, 245560), (1120, 224512), (1280, 196448), (1754, 143360), (1792, 140320), (2048, 122780), (2240, 112256), (2560, 98224), (3508, 71680), (3584, 70160), (4096, 61390), (4385, 57344), (4480, 56128), (5120, 49112), (6139, 40960), (7016, 35840), (7168, 35080), (8192, 30695), (8770, 28672), (8960, 28064), (10240, 24556), (12278, 20480), (14032, 17920), (14336, 17540)]