51737140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 141571584

約数和(自身を除く): 89834444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 131, 140, 155, 182, 196, 217, 245, 260, 262, 310, 364, 403, 434, 455, 490, 524, 620, 637, 655, 806, 868, 910, 917, 980, 1085, 1274, 1310, 1519, 1612, 1703, 1820, 1834, 2015, 2170, 2548, 2620, 2821, 3038, 3185, 3406, 3668, 4030, 4061, 4340, 4585, 5642, 6076, 6370, 6419, 6812, 7595, 8060, 8122, 8515, 9170, 11284, 11921, 12740, 12838, 14105, 15190, 16244, 17030, 18340, 19747, 20305, 23842, 25676, 28210, 28427, 30380, 32095, 34060, 39494, 40610, 47684, 52793, 56420, 56854, 59605, 64190, 78988, 81220, 83447, 98735, 105586, 113708, 119210, 128380, 142135, 166894, 197470, 198989, 211172, 238420, 263965, 284270, 333788, 369551, 394940, 397978, 417235, 527930, 568540, 739102, 795956, 834470, 994945, 1055860, 1478204, 1668940, 1847755, 1989890, 2586857, 3695510, 3979780, 5173714, 7391020, 10347428, 12934285, 25868570, 51737140]

約数ペア:

[(1, 51737140), (2, 25868570), (4, 12934285), (5, 10347428), (7, 7391020), (10, 5173714), (13, 3979780), (14, 3695510), (20, 2586857), (26, 1989890), (28, 1847755), (31, 1668940), (35, 1478204), (49, 1055860), (52, 994945), (62, 834470), (65, 795956), (70, 739102), (91, 568540), (98, 527930), (124, 417235), (130, 397978), (131, 394940), (140, 369551), (155, 333788), (182, 284270), (196, 263965), (217, 238420), (245, 211172), (260, 198989), (262, 197470), (310, 166894), (364, 142135), (403, 128380), (434, 119210), (455, 113708), (490, 105586), (524, 98735), (620, 83447), (637, 81220), (655, 78988), (806, 64190), (868, 59605), (910, 56854), (917, 56420), (980, 52793), (1085, 47684), (1274, 40610), (1310, 39494), (1519, 34060), (1612, 32095), (1703, 30380), (1820, 28427), (1834, 28210), (2015, 25676), (2170, 23842), (2548, 20305), (2620, 19747), (2821, 18340), (3038, 17030), (3185, 16244), (3406, 15190), (3668, 14105), (4030, 12838), (4061, 12740), (4340, 11921), (4585, 11284), (5642, 9170), (6076, 8515), (6370, 8122), (6419, 8060), (6812, 7595)]