204576800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 144

約数和(自身を含む): 539652960

約数和(自身を除く): 335076160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 43, 50, 76, 80, 86, 95, 100, 152, 160, 172, 190, 200, 215, 304, 313, 344, 380, 400, 430, 475, 608, 626, 688, 760, 800, 817, 860, 950, 1075, 1252, 1376, 1520, 1565, 1634, 1720, 1900, 2150, 2504, 3040, 3130, 3268, 3440, 3800, 4085, 4300, 5008, 5947, 6260, 6536, 6880, 7600, 7825, 8170, 8600, 10016, 11894, 12520, 13072, 13459, 15200, 15650, 16340, 17200, 20425, 23788, 25040, 26144, 26918, 29735, 31300, 32680, 34400, 40850, 47576, 50080, 53836, 59470, 62600, 65360, 67295, 81700, 95152, 107672, 118940, 125200, 130720, 134590, 148675, 163400, 190304, 215344, 237880, 250400, 255721, 269180, 297350, 326800, 336475, 430688, 475760, 511442, 538360, 594700, 653600, 672950, 951520, 1022884, 1076720, 1189400, 1278605, 1345900, 2045768, 2153440, 2378800, 2557210, 2691800, 4091536, 4757600, 5114420, 5383600, 6393025, 8183072, 10228840, 10767200, 12786050, 20457680, 25572100, 40915360, 51144200, 102288400, 204576800]

約数ペア:

[(1, 204576800), (2, 102288400), (4, 51144200), (5, 40915360), (8, 25572100), (10, 20457680), (16, 12786050), (19, 10767200), (20, 10228840), (25, 8183072), (32, 6393025), (38, 5383600), (40, 5114420), (43, 4757600), (50, 4091536), (76, 2691800), (80, 2557210), (86, 2378800), (95, 2153440), (100, 2045768), (152, 1345900), (160, 1278605), (172, 1189400), (190, 1076720), (200, 1022884), (215, 951520), (304, 672950), (313, 653600), (344, 594700), (380, 538360), (400, 511442), (430, 475760), (475, 430688), (608, 336475), (626, 326800), (688, 297350), (760, 269180), (800, 255721), (817, 250400), (860, 237880), (950, 215344), (1075, 190304), (1252, 163400), (1376, 148675), (1520, 134590), (1565, 130720), (1634, 125200), (1720, 118940), (1900, 107672), (2150, 95152), (2504, 81700), (3040, 67295), (3130, 65360), (3268, 62600), (3440, 59470), (3800, 53836), (4085, 50080), (4300, 47576), (5008, 40850), (5947, 34400), (6260, 32680), (6536, 31300), (6880, 29735), (7600, 26918), (7825, 26144), (8170, 25040), (8600, 23788), (10016, 20425), (11894, 17200), (12520, 16340), (13072, 15650), (13459, 15200)]