221137280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3797}}^1$

素因数の和:3836

約数の個数: 128

約数和(自身を含む): 650825280

約数和(自身を除く): 429688000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 3797, 4160, 4480, 5824, 7280, 7594, 8320, 11648, 14560, 15188, 18985, 26579, 29120, 30376, 37970, 49361, 53158, 58240, 60752, 75940, 98722, 106316, 121504, 132895, 151880, 197444, 212632, 243008, 246805, 265790, 303760, 345527, 394888, 425264, 486016, 493610, 531580, 607520, 691054, 789776, 850528, 987220, 1063160, 1215040, 1382108, 1579552, 1701056, 1727635, 1974440, 2126320, 2430080, 2764216, 3159104, 3402112, 3455270, 3948880, 4252640, 5528432, 6318208, 6910540, 7897760, 8505280, 11056864, 13821080, 15795520, 17010560, 22113728, 27642160, 31591040, 44227456, 55284320, 110568640, 221137280]

約数ペア:

[(1, 221137280), (2, 110568640), (4, 55284320), (5, 44227456), (7, 31591040), (8, 27642160), (10, 22113728), (13, 17010560), (14, 15795520), (16, 13821080), (20, 11056864), (26, 8505280), (28, 7897760), (32, 6910540), (35, 6318208), (40, 5528432), (52, 4252640), (56, 3948880), (64, 3455270), (65, 3402112), (70, 3159104), (80, 2764216), (91, 2430080), (104, 2126320), (112, 1974440), (128, 1727635), (130, 1701056), (140, 1579552), (160, 1382108), (182, 1215040), (208, 1063160), (224, 987220), (260, 850528), (280, 789776), (320, 691054), (364, 607520), (416, 531580), (448, 493610), (455, 486016), (520, 425264), (560, 394888), (640, 345527), (728, 303760), (832, 265790), (896, 246805), (910, 243008), (1040, 212632), (1120, 197444), (1456, 151880), (1664, 132895), (1820, 121504), (2080, 106316), (2240, 98722), (2912, 75940), (3640, 60752), (3797, 58240), (4160, 53158), (4480, 49361), (5824, 37970), (7280, 30376), (7594, 29120), (8320, 26579), (11648, 18985), (14560, 15188)]