398901024

素因数分解:

$2^5\times 3^5\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1261

約数の個数: 144

約数和(自身を含む): 1204755552

約数和(自身を除く): 805854528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 216, 243, 258, 288, 324, 344, 387, 432, 486, 516, 648, 688, 774, 864, 972, 1032, 1161, 1193, 1296, 1376, 1548, 1944, 2064, 2322, 2386, 2592, 3096, 3483, 3579, 3888, 4128, 4644, 4772, 6192, 6966, 7158, 7776, 9288, 9544, 10449, 10737, 12384, 13932, 14316, 18576, 19088, 20898, 21474, 27864, 28632, 32211, 37152, 38176, 41796, 42948, 51299, 55728, 57264, 64422, 83592, 85896, 96633, 102598, 111456, 114528, 128844, 153897, 167184, 171792, 193266, 205196, 257688, 289899, 307794, 334368, 343584, 386532, 410392, 461691, 515376, 579798, 615588, 773064, 820784, 923382, 1030752, 1159596, 1231176, 1385073, 1546128, 1641568, 1846764, 2319192, 2462352, 2770146, 3092256, 3693528, 4155219, 4638384, 4924704, 5540292, 7387056, 8310438, 9276768, 11080584, 12465657, 14774112, 16620876, 22161168, 24931314, 33241752, 44322336, 49862628, 66483504, 99725256, 132967008, 199450512, 398901024]

約数ペア:

[(1, 398901024), (2, 199450512), (3, 132967008), (4, 99725256), (6, 66483504), (8, 49862628), (9, 44322336), (12, 33241752), (16, 24931314), (18, 22161168), (24, 16620876), (27, 14774112), (32, 12465657), (36, 11080584), (43, 9276768), (48, 8310438), (54, 7387056), (72, 5540292), (81, 4924704), (86, 4638384), (96, 4155219), (108, 3693528), (129, 3092256), (144, 2770146), (162, 2462352), (172, 2319192), (216, 1846764), (243, 1641568), (258, 1546128), (288, 1385073), (324, 1231176), (344, 1159596), (387, 1030752), (432, 923382), (486, 820784), (516, 773064), (648, 615588), (688, 579798), (774, 515376), (864, 461691), (972, 410392), (1032, 386532), (1161, 343584), (1193, 334368), (1296, 307794), (1376, 289899), (1548, 257688), (1944, 205196), (2064, 193266), (2322, 171792), (2386, 167184), (2592, 153897), (3096, 128844), (3483, 114528), (3579, 111456), (3888, 102598), (4128, 96633), (4644, 85896), (4772, 83592), (6192, 64422), (6966, 57264), (7158, 55728), (7776, 51299), (9288, 42948), (9544, 41796), (10449, 38176), (10737, 37152), (12384, 32211), (13932, 28632), (14316, 27864), (18576, 21474), (19088, 20898)]