38945725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 28549955

約数列:

[1, 5, 7, 13, 17, 19, 25, 35, 53, 65, 85, 91, 95, 119, 133, 175, 221, 247, 265, 323, 325, 371, 425, 455, 475, 595, 665, 689, 901, 1007, 1105, 1235, 1325, 1547, 1615, 1729, 1855, 2261, 2275, 2975, 3325, 3445, 4199, 4505, 4823, 5035, 5525, 6175, 6307, 7049, 7735, 8075, 8645, 9275, 11305, 11713, 13091, 17119, 17225, 20995, 22525, 24115, 25175, 29393, 31535, 35245, 38675, 43225, 56525, 58565, 65455, 81991, 85595, 91637, 104975, 119833, 120575, 146965, 157675, 176225, 222547, 292825, 327275, 409955, 427975, 458185, 599165, 734825, 1112735, 1557829, 2049775, 2290925, 2995825, 5563675, 7789145, 38945725]

約数ペア:

[(1, 38945725), (5, 7789145), (7, 5563675), (13, 2995825), (17, 2290925), (19, 2049775), (25, 1557829), (35, 1112735), (53, 734825), (65, 599165), (85, 458185), (91, 427975), (95, 409955), (119, 327275), (133, 292825), (175, 222547), (221, 176225), (247, 157675), (265, 146965), (323, 120575), (325, 119833), (371, 104975), (425, 91637), (455, 85595), (475, 81991), (595, 65455), (665, 58565), (689, 56525), (901, 43225), (1007, 38675), (1105, 35245), (1235, 31535), (1325, 29393), (1547, 25175), (1615, 24115), (1729, 22525), (1855, 20995), (2261, 17225), (2275, 17119), (2975, 13091), (3325, 11713), (3445, 11305), (4199, 9275), (4505, 8645), (4823, 8075), (5035, 7735), (5525, 7049), (6175, 6307)]