209942856

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 620146800

約数和(自身を除く): 410203944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 43, 57, 72, 76, 83, 86, 114, 129, 152, 166, 171, 172, 228, 249, 258, 332, 342, 344, 387, 456, 498, 516, 664, 684, 747, 774, 817, 996, 1032, 1368, 1494, 1548, 1577, 1634, 1849, 1992, 2451, 2988, 3096, 3154, 3268, 3569, 3698, 4731, 4902, 5547, 5976, 6308, 6536, 7138, 7353, 7396, 9462, 9804, 10707, 11094, 12616, 14193, 14276, 14706, 14792, 16641, 18924, 19608, 21414, 22188, 28386, 28552, 29412, 32121, 33282, 35131, 37848, 42828, 44376, 56772, 58824, 64242, 66564, 67811, 70262, 85656, 105393, 113544, 128484, 133128, 135622, 140524, 153467, 203433, 210786, 256968, 271244, 281048, 306934, 316179, 406866, 421572, 460401, 542488, 610299, 613868, 632358, 813732, 843144, 920802, 1220598, 1227736, 1264716, 1381203, 1627464, 1841604, 2441196, 2529432, 2762406, 2915873, 3683208, 4882392, 5524812, 5831746, 8747619, 11049624, 11663492, 17495238, 23326984, 26242857, 34990476, 52485714, 69980952, 104971428, 209942856]

約数ペア:

[(1, 209942856), (2, 104971428), (3, 69980952), (4, 52485714), (6, 34990476), (8, 26242857), (9, 23326984), (12, 17495238), (18, 11663492), (19, 11049624), (24, 8747619), (36, 5831746), (38, 5524812), (43, 4882392), (57, 3683208), (72, 2915873), (76, 2762406), (83, 2529432), (86, 2441196), (114, 1841604), (129, 1627464), (152, 1381203), (166, 1264716), (171, 1227736), (172, 1220598), (228, 920802), (249, 843144), (258, 813732), (332, 632358), (342, 613868), (344, 610299), (387, 542488), (456, 460401), (498, 421572), (516, 406866), (664, 316179), (684, 306934), (747, 281048), (774, 271244), (817, 256968), (996, 210786), (1032, 203433), (1368, 153467), (1494, 140524), (1548, 135622), (1577, 133128), (1634, 128484), (1849, 113544), (1992, 105393), (2451, 85656), (2988, 70262), (3096, 67811), (3154, 66564), (3268, 64242), (3569, 58824), (3698, 56772), (4731, 44376), (4902, 42828), (5547, 37848), (5976, 35131), (6308, 33282), (6536, 32121), (7138, 29412), (7353, 28552), (7396, 28386), (9462, 22188), (9804, 21414), (10707, 19608), (11094, 18924), (12616, 16641), (14193, 14792), (14276, 14706)]