220898560

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 576898560

約数和(自身を除く): 356000000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 293, 304, 310, 320, 380, 496, 586, 589, 608, 620, 640, 760, 992, 1172, 1178, 1216, 1240, 1280, 1465, 1520, 1984, 2344, 2356, 2432, 2480, 2930, 2945, 3040, 3968, 4688, 4712, 4864, 4960, 5567, 5860, 5890, 6080, 7936, 9083, 9376, 9424, 9920, 11134, 11720, 11780, 12160, 18166, 18752, 18848, 19840, 22268, 23440, 23560, 24320, 27835, 36332, 37504, 37696, 39680, 44536, 45415, 46880, 47120, 55670, 72664, 75008, 75392, 89072, 90830, 93760, 94240, 111340, 145328, 150784, 172577, 178144, 181660, 187520, 188480, 222680, 290656, 345154, 356288, 363320, 375040, 376960, 445360, 581312, 690308, 712576, 726640, 753920, 862885, 890720, 1162624, 1380616, 1425152, 1453280, 1725770, 1781440, 2325248, 2761232, 2906560, 3451540, 3562880, 5522464, 5813120, 6903080, 7125760, 11044928, 11626240, 13806160, 22089856, 27612320, 44179712, 55224640, 110449280, 220898560]

約数ペア:

[(1, 220898560), (2, 110449280), (4, 55224640), (5, 44179712), (8, 27612320), (10, 22089856), (16, 13806160), (19, 11626240), (20, 11044928), (31, 7125760), (32, 6903080), (38, 5813120), (40, 5522464), (62, 3562880), (64, 3451540), (76, 2906560), (80, 2761232), (95, 2325248), (124, 1781440), (128, 1725770), (152, 1453280), (155, 1425152), (160, 1380616), (190, 1162624), (248, 890720), (256, 862885), (293, 753920), (304, 726640), (310, 712576), (320, 690308), (380, 581312), (496, 445360), (586, 376960), (589, 375040), (608, 363320), (620, 356288), (640, 345154), (760, 290656), (992, 222680), (1172, 188480), (1178, 187520), (1216, 181660), (1240, 178144), (1280, 172577), (1465, 150784), (1520, 145328), (1984, 111340), (2344, 94240), (2356, 93760), (2432, 90830), (2480, 89072), (2930, 75392), (2945, 75008), (3040, 72664), (3968, 55670), (4688, 47120), (4712, 46880), (4864, 45415), (4960, 44536), (5567, 39680), (5860, 37696), (5890, 37504), (6080, 36332), (7936, 27835), (9083, 24320), (9376, 23560), (9424, 23440), (9920, 22268), (11134, 19840), (11720, 18848), (11780, 18752), (12160, 18166)]