990740448

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1381}}^1$

素因数の和:1497

約数の個数: 144

約数和(自身を含む): 2933775936

約数和(自身を除く): 1943035488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 53, 72, 94, 96, 106, 141, 144, 159, 188, 212, 282, 288, 318, 376, 423, 424, 477, 564, 636, 752, 846, 848, 954, 1128, 1272, 1381, 1504, 1692, 1696, 1908, 2256, 2491, 2544, 2762, 3384, 3816, 4143, 4512, 4982, 5088, 5524, 6768, 7473, 7632, 8286, 9964, 11048, 12429, 13536, 14946, 15264, 16572, 19928, 22096, 22419, 24858, 29892, 33144, 39856, 44192, 44838, 49716, 59784, 64907, 66288, 73193, 79712, 89676, 99432, 119568, 129814, 132576, 146386, 179352, 194721, 198864, 219579, 239136, 259628, 292772, 358704, 389442, 397728, 439158, 519256, 584163, 585544, 658737, 717408, 778884, 878316, 1038512, 1168326, 1171088, 1317474, 1557768, 1756632, 2077024, 2336652, 2342176, 2634948, 3115536, 3440071, 3513264, 4673304, 5269896, 6231072, 6880142, 7026528, 9346608, 10320213, 10539792, 13760284, 18693216, 20640426, 21079584, 27520568, 30960639, 41280852, 55041136, 61921278, 82561704, 110082272, 123842556, 165123408, 247685112, 330246816, 495370224, 990740448]

約数ペア:

[(1, 990740448), (2, 495370224), (3, 330246816), (4, 247685112), (6, 165123408), (8, 123842556), (9, 110082272), (12, 82561704), (16, 61921278), (18, 55041136), (24, 41280852), (32, 30960639), (36, 27520568), (47, 21079584), (48, 20640426), (53, 18693216), (72, 13760284), (94, 10539792), (96, 10320213), (106, 9346608), (141, 7026528), (144, 6880142), (159, 6231072), (188, 5269896), (212, 4673304), (282, 3513264), (288, 3440071), (318, 3115536), (376, 2634948), (423, 2342176), (424, 2336652), (477, 2077024), (564, 1756632), (636, 1557768), (752, 1317474), (846, 1171088), (848, 1168326), (954, 1038512), (1128, 878316), (1272, 778884), (1381, 717408), (1504, 658737), (1692, 585544), (1696, 584163), (1908, 519256), (2256, 439158), (2491, 397728), (2544, 389442), (2762, 358704), (3384, 292772), (3816, 259628), (4143, 239136), (4512, 219579), (4982, 198864), (5088, 194721), (5524, 179352), (6768, 146386), (7473, 132576), (7632, 129814), (8286, 119568), (9964, 99432), (11048, 89676), (12429, 79712), (13536, 73193), (14946, 66288), (15264, 64907), (16572, 59784), (19928, 49716), (22096, 44838), (22419, 44192), (24858, 39856), (29892, 33144)]