489035775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 911370240

約数和(自身を除く): 422334465

約数列:

[1, 3, 5, 15, 19, 23, 25, 43, 57, 69, 75, 95, 115, 129, 215, 285, 345, 347, 437, 475, 575, 645, 817, 989, 1041, 1075, 1311, 1425, 1725, 1735, 2185, 2451, 2967, 3225, 4085, 4945, 5205, 6555, 6593, 7981, 8675, 10925, 12255, 14835, 14921, 18791, 19779, 20425, 23943, 24725, 26025, 32775, 32965, 39905, 44763, 56373, 61275, 74175, 74605, 93955, 98895, 119715, 151639, 164825, 199525, 223815, 281865, 283499, 343183, 373025, 454917, 469775, 494475, 598575, 758195, 850497, 1029549, 1119075, 1409325, 1417495, 1715915, 2274585, 3790975, 4252485, 5147745, 6520477, 7087475, 8579575, 11372925, 19561431, 21262425, 25738725, 32602385, 97807155, 163011925, 489035775]

約数ペア:

[(1, 489035775), (3, 163011925), (5, 97807155), (15, 32602385), (19, 25738725), (23, 21262425), (25, 19561431), (43, 11372925), (57, 8579575), (69, 7087475), (75, 6520477), (95, 5147745), (115, 4252485), (129, 3790975), (215, 2274585), (285, 1715915), (345, 1417495), (347, 1409325), (437, 1119075), (475, 1029549), (575, 850497), (645, 758195), (817, 598575), (989, 494475), (1041, 469775), (1075, 454917), (1311, 373025), (1425, 343183), (1725, 283499), (1735, 281865), (2185, 223815), (2451, 199525), (2967, 164825), (3225, 151639), (4085, 119715), (4945, 98895), (5205, 93955), (6555, 74605), (6593, 74175), (7981, 61275), (8675, 56373), (10925, 44763), (12255, 39905), (14835, 32965), (14921, 32775), (18791, 26025), (19779, 24725), (20425, 23943)]