386686720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 1071383040

約数和(自身を除く): 684696320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 103, 112, 128, 140, 160, 206, 224, 256, 280, 320, 412, 419, 448, 515, 560, 640, 721, 824, 838, 896, 1030, 1120, 1280, 1442, 1648, 1676, 1792, 2060, 2095, 2240, 2884, 2933, 3296, 3352, 3605, 4120, 4190, 4480, 5768, 5866, 6592, 6704, 7210, 8240, 8380, 8960, 11536, 11732, 13184, 13408, 14420, 14665, 16480, 16760, 23072, 23464, 26368, 26816, 28840, 29330, 32960, 33520, 43157, 46144, 46928, 53632, 57680, 58660, 65920, 67040, 86314, 92288, 93856, 107264, 115360, 117320, 131840, 134080, 172628, 184576, 187712, 215785, 230720, 234640, 268160, 302099, 345256, 375424, 431570, 461440, 469280, 536320, 604198, 690512, 750848, 863140, 922880, 938560, 1208396, 1381024, 1510495, 1726280, 1877120, 2416792, 2762048, 3020990, 3452560, 3754240, 4833584, 5524096, 6041980, 6905120, 9667168, 11048192, 12083960, 13810240, 19334336, 24167920, 27620480, 38668672, 48335840, 55240960, 77337344, 96671680, 193343360, 386686720]

約数ペア:

[(1, 386686720), (2, 193343360), (4, 96671680), (5, 77337344), (7, 55240960), (8, 48335840), (10, 38668672), (14, 27620480), (16, 24167920), (20, 19334336), (28, 13810240), (32, 12083960), (35, 11048192), (40, 9667168), (56, 6905120), (64, 6041980), (70, 5524096), (80, 4833584), (103, 3754240), (112, 3452560), (128, 3020990), (140, 2762048), (160, 2416792), (206, 1877120), (224, 1726280), (256, 1510495), (280, 1381024), (320, 1208396), (412, 938560), (419, 922880), (448, 863140), (515, 750848), (560, 690512), (640, 604198), (721, 536320), (824, 469280), (838, 461440), (896, 431570), (1030, 375424), (1120, 345256), (1280, 302099), (1442, 268160), (1648, 234640), (1676, 230720), (1792, 215785), (2060, 187712), (2095, 184576), (2240, 172628), (2884, 134080), (2933, 131840), (3296, 117320), (3352, 115360), (3605, 107264), (4120, 93856), (4190, 92288), (4480, 86314), (5768, 67040), (5866, 65920), (6592, 58660), (6704, 57680), (7210, 53632), (8240, 46928), (8380, 46144), (8960, 43157), (11536, 33520), (11732, 32960), (13184, 29330), (13408, 28840), (14420, 26816), (14665, 26368), (16480, 23464), (16760, 23072)]