385696640

素因数分解:

$2^7\times 5^1\times 7^4\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 160

約数和(自身を含む): 1079953560

約数和(自身を除く): 694256920

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, 251, 280, 320, 343, 392, 448, 490, 502, 560, 640, 686, 784, 896, 980, 1004, 1120, 1255, 1372, 1568, 1715, 1757, 1960, 2008, 2240, 2401, 2510, 2744, 3136, 3430, 3514, 3920, 4016, 4480, 4802, 5020, 5488, 6272, 6860, 7028, 7840, 8032, 8785, 9604, 10040, 10976, 12005, 12299, 13720, 14056, 15680, 16064, 17570, 19208, 20080, 21952, 24010, 24598, 27440, 28112, 31360, 32128, 35140, 38416, 40160, 43904, 48020, 49196, 54880, 56224, 61495, 70280, 76832, 80320, 86093, 96040, 98392, 109760, 112448, 122990, 140560, 153664, 160640, 172186, 192080, 196784, 219520, 224896, 245980, 281120, 307328, 344372, 384160, 393568, 430465, 491960, 562240, 602651, 688744, 768320, 787136, 860930, 983920, 1124480, 1205302, 1377488, 1536640, 1574272, 1721860, 1967840, 2410604, 2754976, 3013255, 3443720, 3935680, 4821208, 5509952, 6026510, 6887440, 7871360, 9642416, 11019904, 12053020, 13774880, 19284832, 24106040, 27549760, 38569664, 48212080, 55099520, 77139328, 96424160, 192848320, 385696640]

約数ペア:

[(1, 385696640), (2, 192848320), (4, 96424160), (5, 77139328), (7, 55099520), (8, 48212080), (10, 38569664), (14, 27549760), (16, 24106040), (20, 19284832), (28, 13774880), (32, 12053020), (35, 11019904), (40, 9642416), (49, 7871360), (56, 6887440), (64, 6026510), (70, 5509952), (80, 4821208), (98, 3935680), (112, 3443720), (128, 3013255), (140, 2754976), (160, 2410604), (196, 1967840), (224, 1721860), (245, 1574272), (251, 1536640), (280, 1377488), (320, 1205302), (343, 1124480), (392, 983920), (448, 860930), (490, 787136), (502, 768320), (560, 688744), (640, 602651), (686, 562240), (784, 491960), (896, 430465), (980, 393568), (1004, 384160), (1120, 344372), (1255, 307328), (1372, 281120), (1568, 245980), (1715, 224896), (1757, 219520), (1960, 196784), (2008, 192080), (2240, 172186), (2401, 160640), (2510, 153664), (2744, 140560), (3136, 122990), (3430, 112448), (3514, 109760), (3920, 98392), (4016, 96040), (4480, 86093), (4802, 80320), (5020, 76832), (5488, 70280), (6272, 61495), (6860, 56224), (7028, 54880), (7840, 49196), (8032, 48020), (8785, 43904), (9604, 40160), (10040, 38416), (10976, 35140), (12005, 32128), (12299, 31360), (13720, 28112), (14056, 27440), (15680, 24598), (16064, 24010), (17570, 21952), (19208, 20080)]