1020838355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 1388482560

約数和(自身を除く): 367644205

約数列:

[1, 5, 17, 47, 59, 61, 71, 85, 235, 295, 305, 355, 799, 1003, 1037, 1207, 2773, 2867, 3337, 3599, 3995, 4189, 4331, 5015, 5185, 6035, 13865, 14335, 16685, 17995, 20945, 21655, 47141, 48739, 56729, 61183, 71213, 73627, 169153, 196883, 203557, 235705, 243695, 255529, 283645, 305915, 356065, 368135, 845765, 984415, 1017785, 1277645, 2875601, 3347011, 3460469, 4343993, 12009863, 14378005, 16735055, 17302345, 21719965, 60049315, 204167671, 1020838355]

約数ペア:

[(1, 1020838355), (5, 204167671), (17, 60049315), (47, 21719965), (59, 17302345), (61, 16735055), (71, 14378005), (85, 12009863), (235, 4343993), (295, 3460469), (305, 3347011), (355, 2875601), (799, 1277645), (1003, 1017785), (1037, 984415), (1207, 845765), (2773, 368135), (2867, 356065), (3337, 305915), (3599, 283645), (3995, 255529), (4189, 243695), (4331, 235705), (5015, 203557), (5185, 196883), (6035, 169153), (13865, 73627), (14335, 71213), (16685, 61183), (17995, 56729), (20945, 48739), (21655, 47141)]