42749525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 73328640

約数和(自身を除く): 30579115

約数列:

[1, 5, 7, 13, 19, 23, 25, 35, 43, 65, 91, 95, 115, 133, 161, 175, 215, 247, 299, 301, 325, 437, 455, 475, 559, 575, 665, 805, 817, 989, 1075, 1235, 1495, 1505, 1729, 2093, 2185, 2275, 2795, 3059, 3325, 3913, 4025, 4085, 4945, 5681, 5719, 6175, 6923, 7475, 7525, 8645, 10465, 10621, 10925, 12857, 13975, 15295, 18791, 19565, 20425, 24725, 28405, 28595, 34615, 39767, 43225, 52325, 53105, 64285, 74347, 76475, 89999, 93955, 97825, 131537, 142025, 142975, 173075, 198835, 244283, 265525, 321425, 371735, 449995, 469775, 657685, 994175, 1221415, 1709981, 1858675, 2249975, 3288425, 6107075, 8549905, 42749525]

約数ペア:

[(1, 42749525), (5, 8549905), (7, 6107075), (13, 3288425), (19, 2249975), (23, 1858675), (25, 1709981), (35, 1221415), (43, 994175), (65, 657685), (91, 469775), (95, 449995), (115, 371735), (133, 321425), (161, 265525), (175, 244283), (215, 198835), (247, 173075), (299, 142975), (301, 142025), (325, 131537), (437, 97825), (455, 93955), (475, 89999), (559, 76475), (575, 74347), (665, 64285), (805, 53105), (817, 52325), (989, 43225), (1075, 39767), (1235, 34615), (1495, 28595), (1505, 28405), (1729, 24725), (2093, 20425), (2185, 19565), (2275, 18791), (2795, 15295), (3059, 13975), (3325, 12857), (3913, 10925), (4025, 10621), (4085, 10465), (4945, 8645), (5681, 7525), (5719, 7475), (6175, 6923)]