220987104

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 642488112

約数和(自身を除く): 421501008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 53, 78, 96, 104, 106, 156, 159, 169, 208, 212, 257, 312, 318, 338, 416, 424, 507, 514, 624, 636, 676, 689, 771, 848, 1014, 1028, 1248, 1272, 1352, 1378, 1542, 1696, 2028, 2056, 2067, 2544, 2704, 2756, 3084, 3341, 4056, 4112, 4134, 5088, 5408, 5512, 6168, 6682, 8112, 8224, 8268, 8957, 10023, 11024, 12336, 13364, 13621, 16224, 16536, 17914, 20046, 22048, 24672, 26728, 26871, 27242, 33072, 35828, 40092, 40863, 43433, 53456, 53742, 54484, 66144, 71656, 80184, 81726, 86866, 106912, 107484, 108968, 130299, 143312, 160368, 163452, 173732, 177073, 214968, 217936, 260598, 286624, 320736, 326904, 347464, 354146, 429936, 435872, 521196, 531219, 653808, 694928, 708292, 859872, 1042392, 1062438, 1307616, 1389856, 1416584, 2084784, 2124876, 2301949, 2833168, 4169568, 4249752, 4603898, 5666336, 6905847, 8499504, 9207796, 13811694, 16999008, 18415592, 27623388, 36831184, 55246776, 73662368, 110493552, 220987104]

約数ペア:

[(1, 220987104), (2, 110493552), (3, 73662368), (4, 55246776), (6, 36831184), (8, 27623388), (12, 18415592), (13, 16999008), (16, 13811694), (24, 9207796), (26, 8499504), (32, 6905847), (39, 5666336), (48, 4603898), (52, 4249752), (53, 4169568), (78, 2833168), (96, 2301949), (104, 2124876), (106, 2084784), (156, 1416584), (159, 1389856), (169, 1307616), (208, 1062438), (212, 1042392), (257, 859872), (312, 708292), (318, 694928), (338, 653808), (416, 531219), (424, 521196), (507, 435872), (514, 429936), (624, 354146), (636, 347464), (676, 326904), (689, 320736), (771, 286624), (848, 260598), (1014, 217936), (1028, 214968), (1248, 177073), (1272, 173732), (1352, 163452), (1378, 160368), (1542, 143312), (1696, 130299), (2028, 108968), (2056, 107484), (2067, 106912), (2544, 86866), (2704, 81726), (2756, 80184), (3084, 71656), (3341, 66144), (4056, 54484), (4112, 53742), (4134, 53456), (5088, 43433), (5408, 40863), (5512, 40092), (6168, 35828), (6682, 33072), (8112, 27242), (8224, 26871), (8268, 26728), (8957, 24672), (10023, 22048), (11024, 20046), (12336, 17914), (13364, 16536), (13621, 16224)]