395386880

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 168

約数和(自身を含む): 1109391228

約数和(自身を除く): 714004348

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, 197, 224, 245, 256, 280, 320, 392, 394, 448, 490, 512, 560, 640, 784, 788, 896, 980, 985, 1024, 1120, 1280, 1379, 1568, 1576, 1792, 1960, 1970, 2048, 2240, 2560, 2758, 3136, 3152, 3584, 3920, 3940, 4096, 4480, 5120, 5516, 6272, 6304, 6895, 7168, 7840, 7880, 8192, 8960, 9653, 10240, 11032, 12544, 12608, 13790, 14336, 15680, 15760, 17920, 19306, 20480, 22064, 25088, 25216, 27580, 28672, 31360, 31520, 35840, 38612, 40960, 44128, 48265, 50176, 50432, 55160, 57344, 62720, 63040, 71680, 77224, 88256, 96530, 100352, 100864, 110320, 125440, 126080, 143360, 154448, 176512, 193060, 200704, 201728, 220640, 250880, 252160, 286720, 308896, 353024, 386120, 401408, 403456, 441280, 501760, 504320, 617792, 706048, 772240, 806912, 882560, 1003520, 1008640, 1235584, 1412096, 1544480, 1613824, 1765120, 2007040, 2017280, 2471168, 2824192, 3088960, 3530240, 4034560, 4942336, 5648384, 6177920, 7060480, 8069120, 9884672, 11296768, 12355840, 14120960, 19769344, 24711680, 28241920, 39538688, 49423360, 56483840, 79077376, 98846720, 197693440, 395386880]

約数ペア:

[(1, 395386880), (2, 197693440), (4, 98846720), (5, 79077376), (7, 56483840), (8, 49423360), (10, 39538688), (14, 28241920), (16, 24711680), (20, 19769344), (28, 14120960), (32, 12355840), (35, 11296768), (40, 9884672), (49, 8069120), (56, 7060480), (64, 6177920), (70, 5648384), (80, 4942336), (98, 4034560), (112, 3530240), (128, 3088960), (140, 2824192), (160, 2471168), (196, 2017280), (197, 2007040), (224, 1765120), (245, 1613824), (256, 1544480), (280, 1412096), (320, 1235584), (392, 1008640), (394, 1003520), (448, 882560), (490, 806912), (512, 772240), (560, 706048), (640, 617792), (784, 504320), (788, 501760), (896, 441280), (980, 403456), (985, 401408), (1024, 386120), (1120, 353024), (1280, 308896), (1379, 286720), (1568, 252160), (1576, 250880), (1792, 220640), (1960, 201728), (1970, 200704), (2048, 193060), (2240, 176512), (2560, 154448), (2758, 143360), (3136, 126080), (3152, 125440), (3584, 110320), (3920, 100864), (3940, 100352), (4096, 96530), (4480, 88256), (5120, 77224), (5516, 71680), (6272, 63040), (6304, 62720), (6895, 57344), (7168, 55160), (7840, 50432), (7880, 50176), (8192, 48265), (8960, 44128), (9653, 40960), (10240, 38612), (11032, 35840), (12544, 31520), (12608, 31360), (13790, 28672), (14336, 27580), (15680, 25216), (15760, 25088), (17920, 22064), (19306, 20480)]