398904120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 1348570080

約数和(自身を除く): 949665960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 73, 86, 90, 120, 129, 146, 172, 180, 215, 219, 258, 292, 344, 353, 360, 365, 387, 430, 438, 516, 584, 645, 657, 706, 730, 774, 860, 876, 1032, 1059, 1095, 1290, 1314, 1412, 1460, 1548, 1720, 1752, 1765, 1935, 2118, 2190, 2580, 2628, 2824, 2920, 3096, 3139, 3177, 3285, 3530, 3870, 4236, 4380, 5160, 5256, 5295, 6278, 6354, 6570, 7060, 7740, 8472, 8760, 9417, 10590, 12556, 12708, 13140, 14120, 15179, 15480, 15695, 15885, 18834, 21180, 25112, 25416, 25769, 26280, 28251, 30358, 31390, 31770, 37668, 42360, 45537, 47085, 51538, 56502, 60716, 62780, 63540, 75336, 75895, 77307, 91074, 94170, 103076, 113004, 121432, 125560, 127080, 128845, 136611, 141255, 151790, 154614, 182148, 188340, 206152, 226008, 227685, 231921, 257690, 273222, 282510, 303580, 309228, 364296, 376680, 386535, 455370, 463842, 515380, 546444, 565020, 607160, 618456, 683055, 773070, 910740, 927684, 1030760, 1092888, 1108067, 1130040, 1159605, 1366110, 1546140, 1821480, 1855368, 2216134, 2319210, 2732220, 3092280, 3324201, 4432268, 4638420, 5464440, 5540335, 6648402, 8864536, 9276840, 9972603, 11080670, 13296804, 16621005, 19945206, 22161340, 26593608, 33242010, 39890412, 44322680, 49863015, 66484020, 79780824, 99726030, 132968040, 199452060, 398904120]

約数ペア:

[(1, 398904120), (2, 199452060), (3, 132968040), (4, 99726030), (5, 79780824), (6, 66484020), (8, 49863015), (9, 44322680), (10, 39890412), (12, 33242010), (15, 26593608), (18, 22161340), (20, 19945206), (24, 16621005), (30, 13296804), (36, 11080670), (40, 9972603), (43, 9276840), (45, 8864536), (60, 6648402), (72, 5540335), (73, 5464440), (86, 4638420), (90, 4432268), (120, 3324201), (129, 3092280), (146, 2732220), (172, 2319210), (180, 2216134), (215, 1855368), (219, 1821480), (258, 1546140), (292, 1366110), (344, 1159605), (353, 1130040), (360, 1108067), (365, 1092888), (387, 1030760), (430, 927684), (438, 910740), (516, 773070), (584, 683055), (645, 618456), (657, 607160), (706, 565020), (730, 546444), (774, 515380), (860, 463842), (876, 455370), (1032, 386535), (1059, 376680), (1095, 364296), (1290, 309228), (1314, 303580), (1412, 282510), (1460, 273222), (1548, 257690), (1720, 231921), (1752, 227685), (1765, 226008), (1935, 206152), (2118, 188340), (2190, 182148), (2580, 154614), (2628, 151790), (2824, 141255), (2920, 136611), (3096, 128845), (3139, 127080), (3177, 125560), (3285, 121432), (3530, 113004), (3870, 103076), (4236, 94170), (4380, 91074), (5160, 77307), (5256, 75895), (5295, 75336), (6278, 63540), (6354, 62780), (6570, 60716), (7060, 56502), (7740, 51538), (8472, 47085), (8760, 45537), (9417, 42360), (10590, 37668), (12556, 31770), (12708, 31390), (13140, 30358), (14120, 28251), (15179, 26280), (15480, 25769), (15695, 25416), (15885, 25112), (18834, 21180)]