51074660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 142107840

約数和(自身を除く): 91033180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 211, 245, 247, 260, 266, 364, 380, 422, 455, 490, 494, 532, 637, 665, 844, 910, 931, 980, 988, 1055, 1235, 1274, 1330, 1477, 1729, 1820, 1862, 2110, 2470, 2548, 2660, 2743, 2954, 3185, 3458, 3724, 4009, 4220, 4655, 4940, 5486, 5908, 6370, 6916, 7385, 8018, 8645, 9310, 10339, 10972, 12103, 12740, 13715, 14770, 16036, 17290, 18620, 19201, 20045, 20678, 24206, 27430, 28063, 29540, 34580, 38402, 40090, 41356, 48412, 51695, 52117, 54860, 56126, 60515, 76804, 80180, 96005, 103390, 104234, 112252, 121030, 134407, 140315, 192010, 196441, 206780, 208468, 242060, 260585, 268814, 280630, 364819, 384020, 392882, 521170, 537628, 561260, 672035, 729638, 785764, 982205, 1042340, 1344070, 1459276, 1824095, 1964410, 2553733, 2688140, 3648190, 3928820, 5107466, 7296380, 10214932, 12768665, 25537330, 51074660]

約数ペア:

[(1, 51074660), (2, 25537330), (4, 12768665), (5, 10214932), (7, 7296380), (10, 5107466), (13, 3928820), (14, 3648190), (19, 2688140), (20, 2553733), (26, 1964410), (28, 1824095), (35, 1459276), (38, 1344070), (49, 1042340), (52, 982205), (65, 785764), (70, 729638), (76, 672035), (91, 561260), (95, 537628), (98, 521170), (130, 392882), (133, 384020), (140, 364819), (182, 280630), (190, 268814), (196, 260585), (211, 242060), (245, 208468), (247, 206780), (260, 196441), (266, 192010), (364, 140315), (380, 134407), (422, 121030), (455, 112252), (490, 104234), (494, 103390), (532, 96005), (637, 80180), (665, 76804), (844, 60515), (910, 56126), (931, 54860), (980, 52117), (988, 51695), (1055, 48412), (1235, 41356), (1274, 40090), (1330, 38402), (1477, 34580), (1729, 29540), (1820, 28063), (1862, 27430), (2110, 24206), (2470, 20678), (2548, 20045), (2660, 19201), (2743, 18620), (2954, 17290), (3185, 16036), (3458, 14770), (3724, 13715), (4009, 12740), (4220, 12103), (4655, 10972), (4940, 10339), (5486, 9310), (5908, 8645), (6370, 8018), (6916, 7385)]